Students and Teacher's Forum

Students and Teachers Forum

Grafting is a technique of joining two branches of different plants of closely related varieties. It is done before the plants bear new buds on the stems. Old branches are selected for this purpose. One plant has a strong root system called stock .....

2. Solve; 9^x+4=3×81^x.

Here, 9x+4=3×81x. or, 32(x+4)=3×(34)x. or, 32x + 8 = 3 . 34x or, 32x+ 8 = 34x + 1 [ Since, x .....

3. Write the lifestyle of Congo basins.

As part of their daily life, many of the Congo River Basin’s inhabitants rely on the natural resources of the forests. Traditional hunter-gatherers have complex relationships with farmers. They exchange forest products for starch-rich foods .....

4. Cos3x +cosx =2cos x (up to 360degree)

Here, Cos3x + cosx = 2cosx or, cos3x + cosx -2 cosx = 0 Now using formula , cosC + cos D = 2cos(C + D)/2 . cos (C - D )/ 2, we get or, 2 cos( 3x + x)/ 2 cos( 3x - x)/2 - 2cosx = 0 or, .....

5. Our National heritage sites are in ruins. What are the measures to conserve them in your opinion?

- The security should be maintained well in the heritage zone. - The smuggling of valuable things should be stopped and the smuggler should be punished strictly. - The ever-green plants should be planted. - The damaged heritage sites should be .....

6. Skilled Human Resource is necessary for the development of a country, but a member of your family is in the preparation of being exiled in abroad. What role would you play him/her from being exiled? Write in four points.

- You should make him/her understand that you do not get suitable jobs and are not paid good in abroad, you have to do the dirty, difficult and dangerous work there, so you should start working in your country. - Being far from your family is .....

7. Write the correct voice of the verbs given in the brackets:

The moon …………(orbit) the Earth the way the Earth ………(orbit) the sun. Scientists believe that the moon …………………………(form) at about the same time as the Earth. They now know that it ………………….(makeup of ) many of the same materials. But scientists …………..(find) that the moon is different from the earth in many ways. For example, the moon ………(have) no atmosphere to carry sound, as a result, no matter what ……………(happen) on the moon’s surface, no sound…….(hear). Without the atmosphere, water …………….(disappear) into space. That is why no water can ……….(find) on the surface of the moon, although some water ……………..(trap) inside rocks. Without water, there can …….(be) no weather. So if you go to the moon, you will never ………….(see) a cloud ……….(get)wet in a rainstorm, or …………………..(feel) the wind blowing.

1. orbits 2. orbits 3. is formed 4. is made up of 5. have found 6. has 7. happens 8. is heard 9. disappears 10. be found 11. is trapped 12. be 13. see 14. get 15. .....

8. Write note using strong points and standard language on topic of "" earth as a living planet

The planet earth has various kinds of qualities in comparison to various planets and satellites in the solar system. Its climate, rotation and revolution, temperature, status, etc. are the main qualities. The distance between the sun and the earth .....

9. Why and what type of marriage do you prefer? Please write any 6 strong points about arrange marriage.

Personally, I prefer the arranged marriage. Traditionally, it has been seen that these kinds of marriage last longer than other kinds of marriage. And, in case of any kind of problems during the marriage, the couples may look into the seniors, .....

10. Prove that: Sin3a/sina-cos3a/cosa=2.

Here, LHS = sin3A / sinA - cos3A / cosA Taking LCM, we get = ( sin3A cosA - cos3A sinA ) / sinAcosA = sin(3A - A)/sinAcosA [ Since, sinA cosB - cosA sinB = sin(A - B).] = .....

11. वाक्यमा प्रयोग गर्नुहोस् :
क) अगुल्टाले हानेको कुकुर बिजुली चम्कँदा तर्सन्छ ।
ख) काम साँची आफूलाई, खाना साँची अरूलाई ।
ग) दुबै हातमा लड्डु ।
घ) लङ्का जित्ने हनुमान जस पाउने ढेडु ।
ङ) जसले मह काढ्छ, उसले हात चाट्छ ।
च) जहाँ इच्छा, त्यहाँ उपाय ।
छ) रातभरि करायो दक्षिणा हरायो ।

(क) एकपल्ट बस दुर्घटनामा परेर बाँचेको श्याम बस चढ्नुपर्यो कि डराउँछ ! हुन पनि हो, अगुल्टाले .....

12. शब्दवर्ग छुट्याउनुहोस् :
१) मिहिनेती किसानले मिहिनेत गरी प्रशस्त अन्न उब्जायो र उसले जीवनमा सफलता पनि छिट्टै पायो ।
२) स्याबास ! हिजोसम्म नदेखेको कुरा नभन्ने तिम्रो बानीमा सुधार आयो ।

मिहिनेती किसानले मिहिनेत गरी प्रशस्त अन्न उब्जायो र उसले जीवनमा सफलता पनि छिट्टै पायो .....

13. ९. सामान्य भूत कालमा तिन ओटा क्रियापदको प्रयोग गरी तपाईंले घुमेको कुनै ठाउँको बयान गर्नुहोस् ।

९. म हिजो चिडियाघर घुम्न गएँ । त्यहाँ मैले धेरै प्रकारका जिव जनावरहरू हेरें । केही बेर घुमेर .....

14. ८. कोष्ठकमा दिइएको निर्देशनअनुसार तलमा वाक्य परिवर्तन गर्नुहोस् :
क) मनमायाले कथा लेखिन् । (कर्मवाच्य)
ख) बहिनी राम्रा कविता लेख्छिन् । (प्रेरणार्थक)
ग) पोखरामा सुन्दर ताल छ । (बहुवचन)
घ) परिश्रम गर्नेले मिठो फल पाउँछ । (मिश्र वाक्य)

८. (क) मनमायाद्वारा कथा लेखियो । (कर्मवाच्य) (ख) मैले बहिनीलाई राम्रा कविता लेख्न लगाएँ । .....

15. ८. वाक्य परिवर्तन गर्नुहोस् :
क) मनमायाले कथा लेखिन् । (कर्मवाच्य)
ख) बहिनी राम्रा कविता खेख्छिन् । (प्रेरणार्थक)
ग) पोखरामा सुन्दर ताल छ । (बहुवचन)
घ) परिश्रम गर्नेले मिठा फल पाउँछ । (मिश्र वाक्य)

16. Solve: x²+ y² = 25 and x³+ y³ = 91

Here, we have, x2+y2 and x3 + y3 we can let (x+y) = a and xy = b We get x2+ y .....

17. शब्दवर्ग छुट्याउनुहोस् :
क) मिहिनेती किसानले मिहिनेत गरी प्रशस्त अन्न उब्जायो र उसले जीवनमा सफलता पनि छिट्टै पायो ।
ख) स्याबास ! हिजोसम्म नदेखेको कुरा नभन्ने तिम्रो बानीमा सुधार आयो ।

स्याबासः विस्मयादिबोधक कुराः नामपद तिम्रोः विशेषण सुधारः .....

18. ७. कोष्ठकमा दिइएको भातु र सङ्केतका सहायताले वाक्य पुरा गर्नुहोस् :
क) सुलोचना फुटबल .......... । (खेल् : अभ्यस्त भूत)
ख) आमाले कथा .......... । (भन् : सामान्य वर्तमान)
ग) तिमी बिदामा घुम्न .......... । (जा : आज्ञार्थक)
घ) हामी आत्मनिर्भर .......... । (बन् : इच्छार्थक)

(क) सुलोचना फुटबल खेल्थिन् । (ख) आमाले कथा भन्नुहुन्छ । (ग) तिमी बिदामा घुम्न जानू । (घ) हामी .....

19. ६.
क) तलको अनुच्छेदबाट उपसर्ग लागेर बनेका दुईओटा र प्रत्यय लागेर बनेका दुईओटा शब्द पहिचान गरी लेख्नुहोस् :
आधुनिक युगमा विज्ञानले विभिन्न क्षेत्रमा चमत्कारपूर्ण परिवर्तन गरेको छ । मानवीय आवश्यकता पूर्तिका लागि विदेश नै जानुपर्ने बाध्यता कम भएको छ ।

ख) तलका शब्दको समास वा विग्रह गर्नुहोस् :
सात ऋषिको समूह, माछापुच्छे«

क. वि + ज्ञान = विज्ञान (उपसर्ग) वि + देश = विदेश (उपसर्ग) मानव + इय = मानवीय (प्रत्यय) आवश्यक + ता = .....

20. ६.
क) तलको अनुच्छेदबाट उपसर्ग लागेर बनेका दुईओटा र प्रत्यय लागेर बनेका दुईओटा शब्द पहिचान गरी लेख्नुहोस् :
आधुनिक युगमा विज्ञानले विभिन्न क्षेत्रमा चमत्कारपूर्ण परिवर्तन गरेको छ । मानवीय आवश्यकता पूर्तिका लागि विभिन्न आविष्कारहरू भएका छन् । प्रविधिको बढ्दो प्रयोगले मानिसको जीविकोपार्जनलाई सहज बनाएको छ । कामका लागि विदेश नै जानुपर्ने बाध्यता कम भएको छ ।

ख) तलका शब्दको समास वा विग्रह गर्नुहोस् :
सात ऋषिको समूह, माछापुच्छे«

वि + ज्ञान = विज्ञान (उपसर्ग) वि + देश = विदेश (उपसर्ग) मानव + इय = मानवीय (प्रत्यय) आवश्यक + ता = .....

21. ५. शब्दवर्ग छुट्याउनुहोस् :
परिवर्तित अवस्थामा हाम्रासामु धेरै अवसर छन् । अब मैले र म जस्ता अरूले पनि हामी अपाङ्गता भएको भनेर चिन्ता लिन आवश्यक छैन । आफूलाई कमजोर ठान्नु हुँदैन । म पनि अरू सरह गर्न सक्छु । म जस्ता सबैले अरू सरह काम गर्न सक्छन् ।

अवसर ⇒ नाम र ⇒ संयोजक हामी ⇒ सर्वनाम गर्न सक्छु ⇒ क्रियापद कमजोर ⇒ .....

22. शुद्ध शब्द छान्नुहोस् :
अ) वास्तविक, बास्तविक, वास्तबिक, बास्तबिक
आ) पन्चामृत, पञ्चामृत, पंचामृत, पङ्चाममृत

वास्तविक, .....

23. ३. वाक्यमा प्रयोग गर्नुहोस् :
अ) अर्थतन्त्र
आ) हंसले ठाउँ छोड्नु

अ) अर्थतन्त्र = अहिले नेपालमा विभिन्न कर लागु हुँदा देशको अर्थतन्त्रमा फेरबदल भएको छ । .....

24. २. खाली ठाउँ भर्नुहोस् :
क) ‘उदार’ को विपरीतार्थी शब्द .......... हो । (ग्रहण, सङ्कीर्ण, जटिल)
ख) ‘पृथ्वी’ को पर्यायवाची शब्द .......... होइन । (धरणी, बसुन्धरा, शैल)
ग) ‘अर्थ’ .......... शब्द हो । (पर्यायवाची, लघुतावाची, अनेकार्थी)
घ) .......... श्रुतिसमभिन्नार्थी शब्द हुन् । (गर्भ–गर्व, पक्ष–विपक्ष, साँचो–खाँचो)

(क) ‘उदार’ को विपरीतार्थी शब्द सङ्कीर्ण हो । (ख) ‘पृथ्वी’ को पर्यायवाची शब्द शैल होइन । (ग) .....

25. Find the value
Cos 140+sin 10 +root 3 cos 70

Can you post the complete question with .....

26. The average income of sunday and monday of a man is rs 75.If his income on tuesday is also included, the average income will be rs80. Find his income on tuesday.

Here, average income of sunday and monday of a man is Rs 75. Again, if his income on tuesday is also included, the average income will be Rs80. Let, his income on tuesday is y, then Average income .....

27. Read the following text and do the activities that follow.

Heirs receive it,
Spendthrifts burn it,
thrifty save it,
Bankers lend it
Misers crave it,
Laymen spend it,
Robbers seize it,
forgers fake it,
Rich increase it,
Taxers taken it,
Gambler lose it,
Dying leave it,
I could use it,

A. Answer the following questions.

a. How do workers earn money?

b. Do spendthrifts really burn money?

B. Give the opposite meaning of the following words.

a. genuine b. earn c. decrease

A. a. Workers earn money by saving it. b. Yes, according to the poem they burn money. B. a. genuine - fake b. earn - spend c. decrease - .....

28. (१) समूह ‘क’ मा दिइएका शब्दका अर्थ समूह ‘ख’ बाट पहिचान गरी जोडा मिलाउनुहोस् :
समूह ‘क’ समूह ‘ख’
भ्याकुर प्रसन्न
उत्फुल्ल सुन्दरता
आच्छादित आश्रय
रेकर्ड लहरोे भएको ठुलो र बाटुलो कन्द फल्ने वनस्पति विशेष
अभिलेख
ढाकिएको

समूह ‘क’ समूह ‘ख’ भ्याकुर .....

29. Write a short note on:
Climatic zones

Climatic zones are divisions of the earth's climates into general climate zones according to average temperatures and average rainfall. The three major climate zones on the earth are the polar, temperate, and tropical zones. Temperatures in .....

30. What would happen if there were no skeleton in human body?

The skeleton is the body's framework. It is made of bones, which provide a firm surface for muscles to attach to, so that they can move. Without a skeleton, we would not be able to move at all. The skeleton also supports the body and protects .....

31. OA⃗=2CB⃗=a and OC⃗= c⃗.Find OB⃗ and BA ⃗ in terms of a⃗ and c⃗.

.....

32. Solve: cos45^o sinA + sin45 cosA = 1/√2.

Here, cos45o sinx + sin45o cosx = 1/√2 or, sin(45o + x) = sin45o [ Since, sinA cosB + cosAsinB = sin(A+B).] or, 45o + x = 45o or, .....

33. Prove that: sin15^o = √{(2 - √3)/4}.

.....

34. What is relative velocity?

It’s because in your frame both you and your co-passengers are moving together. Which means there is no relative velocity between you and the passengers. Whereas the trees are stationary while you are moving. Therefore trees are moving at .....

35. Why do we have dream?

Dreams are hallucinations that occur during certain stages of life. They’re strongest during REM sleep, or the rapid eye movement stage, when you may be less likely to recall your dream. Much is known about the role of sleep in .....

36. Find the equation of the straight lines passing through the origin and perpendicular to the bx² - 2hxy+ay² = 0.

Here is an easy and short method: Let bx2 - 2hxy + ay2 = 0 represent two line l1x + m1y = 0 --------(i) and l2x + m2y = 0 --------(ii) .....

37. Why perfume are added in washing powder?

Perfume are added in washing powder to make the cloths smell good after washing .....

38. The sum of ages of a man before 5 years and after 5 years is 40 years. Find his present age.

Let present age of the man be y, then His age before 5 years = y - 5 His age after 5 years = y + 5 By the queston, (y - 5) + (y + 5) = 40 or, 2y = 40 or, y = 20. Thus, his .....

39. Construct an isosceles triangle ABC having base BC = 6 cm and the altitude AD = 4 cm. Also construct a parallelogram CDEF equal in area of △ABC and having one angle CDE = 45.

Steps: 1. Draw BC = 6cm 2. Draw a perpendicular bisector B and C which bisect line BC at D. 3. Then mark 4cm from D on the line that bisects BC and name it A and join AB and AC which forms the required triangle ABC. 4. Draw a line XY parallel to .....

40. Find the position vector of the points which divide internally in the ratio 3 : 2, the line joining the points (2a - b) and (3a -b).

Here, Let, Vector p = 2a i - bj and vector q = 3a i - bj Given ratio is m:n = 3:2. Now using internal division formula, Required .....

41. The vertices of △MNP are M(1, 1), N(3, 1) and P(2, 3). Find the image of △MNP under the translation by the translation vector 23 . Then enlarge by taking the scale factor 2 and centre as origin.

.....

42. Find the image of ◴ OBCD having co-ordinates O(0, 0), B(0, 1), C(1, 1) and D(1, 0) under combined transformation where a reflection in X-aixs is followed by an enlargement of scale factor 2 with origin as the centre of enlargement.

We know, For reflection, P(x, y)-------Reflection in x-axis---------->P'(x, - y) So, O(0, 0)------------------------->O'(0, 0) A(0, 1)--------------------------> .....

43. Who drafts the development plan at the local level?

Nepal is a federal democratic republic country. So, in our context, the local levels or bodies are given autonomy to draft and implement development plans. They formulate and implement development plans in collaboration with the local .....

44. Write a short introduction to the constitution of Nepal; the present constitution of the country and mention it's major characteristics.

The major features of the present constitution of Nepal are as follows: - The present constitution of Nepal is the outcome of people's representatives who were elected through the election. - Separation of power and the check and balance .....

45. ‘सलहेश फुलबारी’ ले नेपालको कुन सन्दर्भलाई देखाउन खोजेको छ ?

ख) ‘सलहेश फुलबारी’ ले नेपालको कुन सन्दर्भलाई देखाउन खोजेको छ ? उत्तरः .....

46. Why was Sugauli Treaty signed?

The treaty signed between Nepal and British India company is known as Sugauli Treaty. It was named 'Sugauli Treaty' as it was signed in the place called Sugauli. The treaty was drafted on 2nd Dec. 1815. It was signed on 4th March .....

47. If f = {(2, 3), (4, 5), (5, 6) and g = { (4, 3), (2, 5), (5, 8)} then find gof^-1 in ordered pairs.

Here, f = {(2, 3), (4, 5), (5, 6) and g = { (4, 3), (2, 5), (5, 8)} So, f-1 = {(3,2), (5, 4),(6, .....

48. Amar Singh Thapa played a great role in the unification campaign. How do you prove it?

Definitely, Amar Singh Thapa played a great role in the unification campaign. He was the commander in chief during the battle against western provinces. He played every possible role that helped Bahadur Shah forward his unification campaign .....

49. write a latter to your friend. in your latter describe how you spend your life during the devastating earthquake.

Kalimati, KTM 12/20/2018 Dear Friend Neeta How are you? Hope you doing great. Congratulations on your success in National Karate Championship. You have asked me to describe my experience during the devastating earthquake. So, I am .....

50. write a letter to your friend describing your activity on Saturday.

Dear Ramit, I hope you are well by the grace of the Almighty. I am well too. Please convey my regards to your parents. It’s been long since I received your last letter. So I have thought of writing this letter. I am writing this letter to .....