Students and Teachers Forum

1. Find the equation of a circle passing through the point (-3, -4) and the center as the point of division of the line joining the points (4, -6) and (-4, 2) in the ratios 3:4.

Here is an example of same type. Please look it carefull and try your question. Question: Find the equation of the circle having the centre ( 2,3 ) and .....

2. Find the equation of a circle with radius 5 units, where the equations of the two diameters are 2x + y = 3 and x - y = 6.

now we know that  equation of circle = (x-h)² + (y-k)² = r²  where (h,k) is the center of circle and r is the radius  By solving this you will get the equation of .....

3. If the radius of the circle x2 + y2 - 14x - ky = 111 is 13 units, find the value of k and the center of the circle.

The general form of the circle is given by,  x2 + y .....

4. The perpendicular distance of th line 3x + 4y + 10 = 0 from the center of the clock x2 + y2 - a - 2y = 5 is 9 units, find the value of a.

The general form of the circle is given by,  x2 + y .....

5. Prove that a pair of straight lines represented by the equation 3x2 - 8xy + 5y2 = 0 is parallel to another pair of straight lines represented by the equation 3x2 - 8xy + 5y2 + 4x - 7y + 1 = 0.

Here, Given equations are,  3x2 - 8xy + 5y2 = 0...................(i)  3x2 - 8xy + 5y2 + 4x - 7y + 1 = 0.....(ii) Now,    Coefficient of x .....

6. Find the single equation of the st.line passing through the point (1, 1) and perpendicular to the lines represented by the x2 - 3xy + 2y2 + 2x - 4y = 0.

To find the equation perpendicular to the given line, we need to factorise it. Consider, x2 - 3xy + 2y2 + 2x - 4y = 0 .

Or, x2 - 2xy – xy + 2y2 + 2x - 4y = 0

Or, x(x -  2y) – y(x - 2y) + 2(x - 2y)= .....

7. Find the seperate equation of the line represented by the equation 2x2 - 7xy + ky2 = 0, if the angle between them is 45o.

We have given equation,  2x2 -  7xy + ky2 = 0,  Comparing this with ax2 + 2hxy + by2 = 0, we get a = 2, b = k and h = -7/2. And θ = 45o For the equation that represents two pair of two straight .....

8. Clarify the importance of election code of conduct. What role should the election commission have to play to implement code effectively?

The election commission is the chief institution for implementing the election code of conduct during and after the election. Some of the roles that the commission may play are: settle down the differences between various political parties and .....

9. Mention any sources of non-tax revenue. How the process of collection of non-tax revenue collection is different from tax revenue?

The revenue obtained by the government from sources other than tax is called Non-tax revenue. Public income received through the administration, commercial enterprises, gifts and grants are the source of non-tax revenues of the .....

10. Rewrite the sentence.

​​​​​​​The Prime Minster directed the cabinet minister not to misuse the authority. (direct speech)

The Prime Minister said to the cabinet minister, "Don't misuse the .....

11. Solve: tanx = √2 cosx   (0 ≤ x ≤90)

Here,  tanx = √2  cosx or, sinx / cosx = √2 cosx or, sinx = √2  cos2x or, sinx = √2 ( 1 - sin2x) or, √2  sin2x + sinx - √2  = 0 or, √2  .....

12. Write the synonyms for "cut off".

Some of the synonyms of cut off .....

13. शिशिको परयवाची सबद

शशीः .....

14. What kind of plants are propagated by air layering and wisp grafting? Explain

WHIP GRAFTING (also called splice or tongue grafting) is one of the oldest methods of asexual plant propagation known. It is the predominant propagation method used on apples and is widely used on pear. Although most grapes are grown .....

15. Reproduce the following sentences as indicated in the brackets. 
a. He never came again................(add a suitable tag question)
b. She threw a tantrum when she was told that she would not be able to go. (into a negative sentence)
c. He has his dinner at seven every morning. (change into an interrogative sentence)
d. Arya.............karate class every morning. (use the correct form of the verb 'attend')
e. Aditi said, "She works in an office." (into indirect speech)
f. Did she recognize you? (into passive voice)
 

a. He never came again, did he? b. She didn't throw a tantrum when she was told that she would not be able to go.  c. What does he have at seven every morning?  d. Arya attends karate class every Saturday.  e. Aditi said that .....

16. How is the temperature measured by maximum and minimum thermometer? Write with labelled diagram.

The maximum-minimum thermometer consists of a U-shaped glass tube filled with alcohol on both ends of the tube. As the alcohol expands in response to temperature changes, the metal index on both sides of the thermometer record the maximum and .....

17. Provide the answers to the following questions as indicated in the brackets. 

a. Sujan apologized for his conduct. (into negative)
b. Martin does not get along with his brother-in-law. (into a positive sentence)
c. The teacher said, "The earth revolves around the sun." (into indirect speech)
d. Weigh the solid in the air. (into passive voice)
e. He always speaks the truth. (into simple past tense)
f. I don't suppose you are serious, .........(put a tag question)

19.  a. Sujan did not apologize for his conduct.  b. Martin gets along with his brother-in-law.  c. The teacher said that the earth revolves around the sun.  d. Solid should be weighed in the air.  e. He always spoke .....

18. १. दिइएको गद्यांश राम्ररी पढी अन्त्यमा सोधिएका प्रश्नको उत्तर दिनुहोस् :
बाबुसाहेबले कोटलाई पुनः ओल्टाई पल्टाई हेरे । त्यो त्यतिका महत्त्व, गौरव र महिमामय  अतीतको प्रतीक, बेन्सन कपडा, ह्वाइटवे टेलरिङ विभागमा तयारी भएको कोट । बाबुसाहेबले उठेर ससम्मान त्यो कोट किलामा झुन्ड्याए अनि गौरवपूर्ण मानसिकताको प्रभावमा एउटा खास किसिमको गुरुत्वमय भावले आफ्नो आसनमा बसे । भित्रभित्रै उनको अचेतनले एउटा बोध लियो कि “यो केही पनि होइन । खालि भित्री इखले यस कोटको गौरव खप्न नसकेर मात्र आफैं बढेका यी जम्मै विद्रोहीहरू । यिनले बाहिर गिज्याउन खोजेको नत्र भने आफैं मनमनै त, जम्मै हेर्न पर्यन्त नपाएका, त्यस्को कोटप्रति लोभिएकै होलान् नि । फटाहा, छुच्चा !”

प्रश्नहरू
क) माथि उल्लेखित ‘बाबुसाहेबले’ शब्दको कारक र विभक्ति पहिचान गरी लेख्नुहो
स् ।
ख) ‘महत्त्व’ र महिमामय’ शब्दका पर्याष्वाची शब्द पहिचान गरी वा वाक्यमा प्रयोग गर्नुहोस् ।

(क) ‘बाबुसाहेबले’ = कर्ता कारक र प्रथमा विभक्ति (ख) महत्त्व → आवश्यकता = चिसो समयमा न्यानो .....

19. ८. कोष्ठकमा दिइएको निर्देशनअनुसार तलका वाक्य परिवर्तन गर्नुहोस् :
क) मैले त आमालाई दोगिनँ ।  (कर्मवाच्य)
ख) हामी चुप लागेर लेखौँ । (तृतीय पुरुष)
ग) बाटाको रुख ढलेछ । (प्रेरणार्थक)
घ) यदि तिमी मिहिनेत गर्छौ भने सफल हुन्छौ । (सरल वाक्य)

८. (क) मद्वारा आमा ढोगिनुभएन । (ख) उनीहरु चुप लागेर लेखून् । (ग) नगरपालिकाले बाटाको रुख ढाल्न .....

20. ५. रेखाङ्कित शब्दको शब्दवर्ग पहिचान गर्नुहोस् :
आज बिहान अनु अचानक बिरामी परिछ । उसको भाइ रातोपिरो अनुहार लाएर आइपुग्यो र भन्यो, “ए दाइ, दिदीलाई के भयो, छिटो आउनू न ।”

५. आजः क्रियाविशेषण परिछः क्रियापद उसकोः विशेषण (ऊः सर्वनाम) भाइः नामपद रातोपिरोः विशेषण नः .....

21. १. तल समूह ‘क’ मा दिइएका शब्दहरूका अर्थ समूह ‘ख’ बाट पहिचान गरी मिलाउनुहोस् :
समूह ‘क’               समूह ‘ख’
आस्था                    जन्ती
बरियाँत                  मसिनो
मिहिन                    विश्वास
संहार                     शत्रुता
                              रोग
                              हत्या

२. कोष्ठकबाट मिल्ने शब्द छानी तलका खाली ठाउँ भर्नुहोस् :
क) .......... अनेकार्थी शब्द हो । (सुकुल, मुकुल, चुकुल)
ख) ‘अन्दाज’ को पर्यायवाची शब्द .......... हो । (अड्कल, तर्क, विवाद)
ग) ‘साँझ’ को विपरीतार्थी शब्द .......... हो । (दिउसो, बिहान, बेलुका)
घ) .......... श्रुतिसमभिन्नार्थी शब्द हुन् । (फुल–फूल, जेठो–बाठो, घाम–पानी)

१. आस्थाः विश्वास बरियाँतः जन्ती मिहिनः मसिनो संहारः हत्या २. (क) मुकुल (कोपिला, शरीर) (ख) .....

22. समास र विग्रहः घोरमुखा

घोडाको जस्तो मुख छ .....

23. १०.
क) ‘नेपालीहरू र त्यसलाई’ शब्दको कारक र विभक्ति पहिचान गरी लेख्नुहोस् ।
ख) थाङ्को विकास कसरी हुँदै आयो ?
ग) ‘स्वतन्त्र’ र ‘व्यवस्थित’ शब्दका विपरीतार्थी शब्द पहिचान गरी वाक्यमा प्रयोग गर्नुहोस् ।

१०. (क) नेपालीहरुलेः कर्ता कारक र प्रथमा विभक्ति     त्यसलाईः कर्म कारक र द्वितीया विभक्ति (ख) .....

24. ८. कोष्ठकमा दिइएको निर्देशनअनुसार तलका वाकय परिवर्तन गर्नुहोस् :
क) प्रेरणाले साथीभाइहरूलाई भोजमा बोलाइछ । (कर्मवाच्य)
ख) जङ्गलमा हात्तीहरू लडेका छन् । (एकवचन)
ग) ऊ मिहिनेत गर्छ अनि उत्तीर्ण हुन्छ । (मिश्र वाक्य)
घ) बुबा बिहानै उठ्नुहुन्थ्यो । (प्रेरणार्थक)

८. (क) प्रेरणाद्वारा साथीहरु भोजमा बोलाइएछन् । (ख) जंगलमा हात्ती लडेको छ । (ग) जब ऊ मिहिनेत गर्छ तब .....

25. २. कोष्ठकबाट मिल्ने शब्द छानी तलका खाली ठाउँ भर्नुहोस् :
क) .......... अनेकार्थी शब्द हो । (जाल, पाल, दाल)
ख) ‘हुस्सू’ को पर्यायवाची शब्द .......... हो । (बेकामे, बेहोसी, बेइमान)
ग) ‘खाक्रो’ को विपरीतार्थी शब्द .......... हो । (खुकुलो, कमलो, खँदिलो)
घ) बन्चरो–वनचरो .......... शब्द हुन् । (अनेकार्थक, श्रुतिसमभिन्नार्थी, लघुवाची)

२. (क) जाल (ख) बेहोसी (ग) खँदिलो (घ) .....

26. F(2x+2) = 5x+1 find f(x).

Here, f(2x+2) = 5x +1. To find f(x), we need to put x = (x-2)/2. So, f(2{x-2}/2 +2) = 5(x-2)/2 + 1  or, f(x)=(5x-10 +2)/2 =5x/2 - 4. Which is .....

27. (क) ‘कलेजोबाट’ शब्दको कारक र विभक्ति पहिचान गरी लेख्नुहोस् ।
(ख) अनुच्छेदको पहिलो वाक्यलाई संयुक्त वाक्यमा परिवर्तन गर्नुहोस् ।
ग) ‘कोसेली’ र ‘लम्पट’ शब्दका पर्यायवाची शबद लेखी वाक्यमा प्रयोग गर्नुहोस् ।

१०. (क) कलेजबाटः अपादान कारक, पञ्चमी विभक्ति (ख) रामुकी दुलही दुईचार महिनामा एकपटक घर आई दुईचार .....

28. Reproduce the following sentences as directed in the brackets. 

a. Aditya had a new red branded car, ............(tag question)

b. She recognized him at once. (into negative)

c. The beauty of nature is beyond description. (into interrogative question)

d. The delivery man.....................the parcel already. (correct form of the verb 'delivery')

e. My father said, "They like the song."(into indirect speech)

f. Has the work been finished by you? (into active voice)

Reproduce the following sentences as directed in the brackets.  a. Aditya had a new red branded car, didn't he? b. She did not recognize him at once.  c. Is the beauty of nature is beyond description?  d. The delivery man .....

29. Write an example of a strong acid and a strong base each. Give the balanced chemical equation of the reaction between them.

The reaction between strong acid and strong base is given below: H2SO4 + NaOH → Na2SO4 + H2O Where H2SO4 (sulphuric acid) is a strong acid and NaOH (sodium hydroxide) is a strong base. When sulphuric acid and .....

30. Write the balanced chemical equation of the reaction between strong base and weak acid, and also mention the type of salt obtained in the reaction.

The balanced chemical equation of the reaction between a strong base and a weak acid is given below: H2CO3 + 2KOH → K2CO3 + 2H2O Here, H2CO3 (carbonic acid) is a weak acid and KOH (potassium hydroxide) is strong .....

31. Explain the fertilization process in human beings.

Sexual reproduction takes place in human beings. Testes produce sperms and ovaries produce ova. A sperm is a male gamete and an ovum is a female gamete. The male and female gametes unite to form a diploid cell called zygote. The process is .....

32. Mention the success of Krishna Prasad Bhattarai's tenure as PM of Nepal.

Krishna Prasad Bhattarai was the Prime Minister of the interim government formed after peoples movement 2046. After the success of mass movement, Panchayat related organizations were dissolved. The interim government was entrusted to two major .....

33. Write any two method of preparation of salt.

The general methods of preparation of salts are mentioned below: 1. By direct combination of elements (metals and non-metals) 2Na + Cl2 → 2NaCl 2. By action of acids on metal Zn + H2SO4 → ZnSO4 + H2↑ 3. By reaction .....

34. Write the name and molecular formula of electrolyte used in dry cell.

Answer: Ammonium chloride is used as an electrolyte in the dry cell. The molecular formula of Ammonium chloride is NH4Cl. Explanation: An electrolyte is a nonmetallic electric conductor in which current is carried by the movement of .....

35. Write down the name and molecular formula of alkali which is used to balance ph of human stomach.

Your stomach secretes hydrochloric acid, but the pH of your stomach isn't necessarily the same as the pH of the acid. The pH of your stomach varies, from 1-2 up to 4-5. When you eat, the stomach releases enzymes called proteases as well as .....

36. क) वातावरणको महत्त्वबारे लेख्नुहोस् ।

वातावरणको महत्व साथी, वातावरणको महत्त्वका बारेमा केही महत्त्वपूर्ण बुँदा दिइएका छन् । ती .....

37. How many countries are there in the world?

There are altogether 196 countries in the .....

38. Name the process of food manufacture in plant.

Plants prepare food by the process called photosynthesis. Photosynthesis is the process by which plants make food from light, water, nutrients, and carbon dioxide. Chlorophyll is the green pigment, or color, found .....

39. Can a mushroom prepare it's own food? Why?

Plants prepare food by the process called photosynthesis. Photosynthesis is the process by which plants make food from light, water, nutrients, and carbon dioxide. Chlorophyll is the green pigment, or color, found .....

40. Give reasons :
a. Ginger is non green and grows underground. Yet, it is considered a stem and not a root.
b. When the roots of a plant are damaged, the plant dies.

a. The rhizome of ginger is a type of underground modification of stem which grows horizontally underground and bear   nodes, internodes and scaly leaves and buds, which gives rise to aerial shoots. The adventitious root arises from the lower .....

41. When did Nepal start to send her army in a peacekeeping force?

United Nations (UN) was established after the end of 2nd. world war to maintain peace and security across the world so that no such ever occur in the world again. Nepal got the membership of the UN in 1955 AD. In 1958, Nepal for the first time .....

42. Why the numbers of chromosome in gametes is haploid?

Because gametes are eggs and sperm, which unite to form a zygote. If both of them were diploid, the zygote would have twice the number of normalchromosomes. Therefore, in order to produce gametes, organisms undergo meiosis .....

43. Write importance of artificial reproduction of plants?

The importance of artificial reproduction of plant are   Multiply the different species in large number. Protect the plant species which are endangered. Improve the characteristics and quality of the plants. Produce quality and healthy .....

44. no.11 ,12 ,14 and 17

Dear, Student just specifying nos. do not anything you also need to send in the questions. So, send in the questions as .....

45. SLC 2030 to 2062

Provide the answer from 109 to 125. 

109. he said milk is white. He said that milk ................. [was white/is white/had been white]
110. The hawker said to a tourist, "..............?" He replied that he was from Italy. [Where you are from/Where he was from/Where are you from?]
111. The teacher said, "We are mortal." Its reported speech is: The teacher said that  .............[we are mortal/we                     were mortal/they are mortal]
112. My teacher forbade me  .........idle."{no to sit, to sit, to not sit}
113. Yesterday he said to me, "See me tomorrow."Yesterday he told me ................ the following day. [to see him, that to see her/to see her]
114. He said the truth ............. always bitter. [is/was/be]
115. He told us ................. quiet in the class. [keep/ to keep/keeping]
116. He said honesty .................. the best policy. [is/was/be]
117. I asked them .............. to be late. [to not try/ to try not/ if not try]
118. "Why are you late?" he asked me ................... [Why I am late/ Why I was late/Why Was  I Late]
119. "I am very so sorry." He says ................. [he is very sorry/he was very sorry/he has been very sorry]
120. "Have you seen Sita?" He asked .......................... Sita. [he had seen/if he has seen/if he had seen]
121. "What shall I eat, mother?" He asked his mother what ...................... [he shall eat/he would eat/I should eat]
122. The teacher said to me, "The sun ................... in the east. [rise/had risen/rose]
123. The teacher said to me, "Water .................... at 0-degree Celsius. [freeze/freezes/froze]
124. Binita asked me .................... [what my problem was/what was my problem/what is your problem]
125. My parents advised me ........................ the manager and explain my problems. [to meet/that you meet/meet]

Here, your correct answer is: He said that milk is white. As the statement is a universal truth, the tense remains the .....

46. तल उल्लेखित प्रश्न न. 7 को हिसाब गरी दिनु होला सर ।
3x+1. 22x+1 = 6.

Here,  3x+1. 22x+1 = 6 or, 3x+1. 22x+1 = 31 ⨯ 21 Now, compare the corresponding exponents, x + 1 = 1 ⟹ x = 0 and, 2x + 1 = 1 ⟹ x = 0 .....

47. What is national integrity? Why is it important?

The importance of national unity in the protection of peace, independence, and sovereignty can be shown in the points below:   - The national integrity develops the feeling of love and responsibility towards the nation. - It bounds people into .....

48. वाक्य बनाऊ :
(क) मानवअधिकार
(ख) भौचर
(ग) घर खानु
(घ) मुख रातो पार्नु
(ङ) हुने हार दैव नटार 

(क) मानवअधिकार = स्वतन्त्र रूपमा बाँच्न पाउनु हाम्रो मानवअधिकार हो । (ख) भौचर = बैंकबाट आफ्नो .....

49. A geyser is marked with 3kw - 220v then out of 5a, 10a and 15a fuse wire which one fuse wire is suitable to use in electric circuit. Show by calculation.

Here given,  power (P) = 3kw = 3000 wt voltage (V) = 220 v Now, we calculate current, P = I ⨉ V  I = P/ V I = 3000 / 220 I = 13.63 A So, 15A fuse is suitable for the geyser as the required current could flow through .....

50. Prove that : cos4asin2a+sin3acosa=sin5acosa

Here, LHS = cos4asin2a+sin3acosa =1/2(2cos4asin2a + 2sin3acosa) = 1/2 [ sin(4a + 2a) - sin(4a - 2a) + sin(3a + a) + sin(3a - a)] [ Siince,Sin(A+B)+Sin(A-B) = 2SinACosB & Sin(A+B)-Sin(A-B) = .....