Students and Teachers Forum

1. Santosh bought 2 computers for Rs.40000. He sold one of them with 15 percent gain and other at a loss of 15 percent. Calculate his gain or loss percentage if the selling price of both the computers is the same.

Let CP of first computer =  y Then second computer =  40000 - y. Now for 1st computer, SP1 = y + 15 % of y =  115y /100 For 2nd watch,  SP2 = (40000 - y) - 15 % of (40000 - y.)         .....

2. What dose similar mining to the entrance where guests first come?

The similar meaning of a word 'entrance' is .....

3. The height of a plant doesn’t increase if its tip is cut. Why?

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4. Why is pelvis of a woman wider than that of a man?

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5. A bone, dipped into acid, becomes softer. Why?

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6. Cell is the basic, structural and functional unit of life. Why?

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7. What is the role of acid in our stomach?

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8. What is the role of ptyalin in digestion of food?

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9. Why do we feel sweet when we chew beaten rice?

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10. What are the functions of the vertebral column?

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11. Rewrite the following sentences by choosing the best answer from the brackets: 

1. That is...........book I like most.(a / an/ the) 
2. We've always lived.........very quiet life. (a / an / the) 
3. I think..........biggest difference is going to be the publicity. (a / an / the) 
4. He was born in............. United States. (a / an / the) 
5. As..........young man, he was very active. (a / an/ the) 
6. Long ago, there was.........old man in a village. (a / an / the) 
7. My sister is.....M.A. student. (a / an / the / nothing) 
8 Atlantic Ocean is.......... biggest ocean. (a / an / the / nothing) 
9. A merchant sent his servant to the market but............servant returned very quickly. (a / an / the) 
10. Mrs. Indira is............. .honourable teacher. (a / an / the / nothing) 

1. That is the book I like the most. 2. We've always lived a very quiet life. 3. I think the biggest difference is going to be the publicity. 4. He was born in the United states. 5. As a young man, he was very active. 6. Long ago, there was an .....

12. Rewrite the following sentences by choosing the best answer from the brackets: 

1.........Pals had to survive on fruits. (A / An / The / Nothing) 
2. Let us discuss...........matter seriously. (a / an / the) 
3. He looks as stupid as.......owl. (a / an / the) 
4. Sita is..........useful member of the family. (a / an / the)  
5. This is..........building where we intend to build a house. (a / an / the) 
6.  Sita plays.........flute well. (a / an/ the) 
7. Mt.Everest is...........highest peak in the world. (a / an / the) 
8. Srilanka is...........island. (a / an/ the) 
9. Who is........best student in your class? (a / an / the / some) 
10. It is...........one rupee note. (a / an / the) 

1. Nothing Pals had to survive on fruits. 2. Let us discuss the matter seriously 3. He looks as stupid as an owl. 4. Sita is a useful member of the family. 5. This is the building where we intend to build a house. 6. Sita plays the flute well. 7. .....

13. Rewrite the following sentences by choosing the best answer from the brackets: 

1. Mr.Kedar is..........principal of our school.(a / an / the) 
2. Narayan plays.............key-board very well. (a / an / the) 
3. Devkota can be called........... Shakespeare of Nepali literature. (a/ an/ the/ nothing) 
4. Honesty is the best policy. (A / An / The / Nothing) 
5. Shrijana is working in............kitchen. (a / an / the / nothing) 

1. Mr. Kedar is the principal of our school. 2. Narayan plays the key-board very well. 3.Devkota can be called the Shakespeare of Nepali literature. 4. Honesty is the best policy. 5. Srijana is working in the .....

14. Simplify :
x-1x2- 3x + 2+ x-2x2- 5x + 6+ x-5x2- 8x+15

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15. Simplify the following algebraic expressions: 
 122 - x + 122 + x + 22 + x 

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16. Simplify the following algebraic expressions:
 1x + 1 + 2x2 + 1 + 4x4 + 1 + 8x8 - 1 

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17. Simplify the following algebraic expressions: 
a + 12 ÷ 1 + a1 - a + aa2 + a + 1

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18. Rewrite the following sentences by using appropriate articles: 

1. Ann is...........U.S citizen. (a/ an / the) 
2. Who is Mr. Thapa? He is............university professor. (a / an / the) 
3. People recite........Geeta every morning. (a / an / the / the / nothing) 
4. She works in....... UNO office in Kathmandu. (a / an / the) 
5........cuckoo is a lazy bird. (A / An / The) 
6. She is...........Eurasian. (a / an / the) 
7. Cruelty is........... universal attitude of human beings. (a / an / the) 
8. We drink tea thrice.......... day. (a / an / the)
9. What .......beautiful woman she is!  (a / an / the)
10. Human beings take.........oxygen. (a / an / the / nothing) 

1. Ann is a U.S. citizen. 2. Who is Mr. Thapa? He is a university professor. 3. People recite the Geeta every morning. 4. She works in the UNO office in Kathmandu. 5. A cuckoo is a lazy bird. 6. She is a Eurasian 7. Cruelty is a universal attitude .....

19. तलका धातुहरुलाई सङ्केत गरेअनुसार आदरार्थी शब्द लेख ।
गर्   (उच्च आदरार्थि) 
जा   (निम्न आदरार्थि)
हेर्   (निम्न आदरार्थि)
सुन  (उच्च आदरार्थि)
खा   (निम्न आदरार्थि)
हिँड्  (मध्यम आदरार्थि)
बस्   (उच्च आदरार्थि)

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20. गाइले घाँस खान्छ

यस प्रश्न लाई के गर्नु पर्ने हो, प्रस्टसँग बुझिएन साथी .....

21. How can we say that there is religious harmony in Nepal? Enlist any ten points.

Nepal is multi-lingual, multi-ethnic and multi-cultural country. 10 of the religions are actively followed in Nepal. The people of different religious backgrounds do practice their own rites and rituals. A person of one religious background .....

22. What is the cause of human trafficking and how can it be solved?

Following are some of the ways that help us solve the problem of human trafficking: - running awareness program among the targetted group of people - enforcing the law practically to keep the people in check and balance - providing opportunities .....

23. Simplify: x2+4x+3x2-4 ÷ x2-9x2-3x+2

Here,  x2+4x+3/x2- 4 ÷ x2 -9/x2- 3x+2 = (x2+3x + x +3)/(x2- 4) ÷ (x2 -9)/(x2- 2x - x + 2) = {x (x + 3) + (x + 3)}/(x2- 22) ÷ (x2 -32)/ {x(x - 2) - (x - 2)}              .....

24. सन्क्षिप्त उत्तर  लेखनुहोस ।
(क) कविताको माध्यमबाट कविले समाजको कस्तो चित्र खिचेका हुन्?
(ख) समाजबाट नेपाली दलित कसरी हेपिएका रहेछन्?
(ग) यस कविताको मुल आसय लेख।

क) कविताको माध्यबाट कविले हाम्रो समाजमा जरोगाडी बसेको जातीय प्रथा .....

25. Simplify: x3-4xx2-9 × x-3x2-2x

Here,  = {x(x2 - 4)/(x - 3)(x + 3)} × {(x - 3)/x (x - 2) } = {x(x - 2) (x + 2) /(x - 3)(x + 3)} × { (x - 3)/x (x - 2)}         [a2 - b2 = (a - b) (a + b)] = (x + 2)/ (x+ .....

26. Simplify: x2+5x+4x2-1 ÷x2-16x2+x-2

Here,  (x2 + 4x + x + 4)/ (x - 1) (x + 1) ÷ (x - 4) (x + 4) /(x2 + 2x - x - 2)              [ a2  - b2 = (a - b) (a + b) ] = x (x + 4) + (x + 4) / (x - 1) (x + .....

27. Simplify: x2 –y2m3 – n3 ÷ x +ym2+mn+n2

Here,  {(x - y) (x + y)/(m - n) (m2 + mn + n2)} ÷  (x + y) / (m2 + mn + n2)             [a2 - b2 = (a - b) (a + b)] = (x - y) / (m - n)            .....

28. Simplify: 1 -1a1 -1a-11+2a-2

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29. नामयोगी भनेको के हो ?

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30. तल दिइएका शब्दलाई पुलिङ्ग  भए स्त्री लिङ् र स्त्री लिङ् भए पुलिङ्गमा बदल: 
 पनति, सासु, पोथी खरायो, सम्राज्ञी, ढोइ, गुरुङ, बाहुनी, विद्वान्, पति, छात्रा

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31. Convert 28kg into dharni

Here, We have 1 dharni = 2.4 kg or. 1 kg = 1/2.4 dharni or, 28 kg = (1/2.4) ⨉ 28                                    = 11.67 dharni  Hence, .....

32. तल दिइएका वक्यबाट कृयाबिशेषण छुट्याउनुहोस्:
१) रेखा थापाको अभिनय निकै राम्रो छ ।
२) टेबुल माथि छ , छिटो ल्याउ ।
३) गिरिश फटफट हिँड्यो ।
४) भरे म घरबाट आँउला ।
५) आज पानी पर्दैन । 

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33. What is discrimination? How it blocks development activities? Write in four point.

Discrimination is a social crime and injustice. It is the practice in which one member of the community is treated unfairly on the basis of their religion, caste, beliefs and others. It is also unjust treatment of the people on the basis of their .....

34. Read the following advertisement and answer the following questions: 
                                            WANTED IMMEDIATELY 
A highly reputed organization of Choudhary group is seeking a Marketing Supervisor. Interested and qualified candidates are requested to send their bio-data along with hand-written applications and attach a recent passport size photograph, and contact phone number, within 20th June, 2017. 

Required academic qualification and extra qualifications are given below: 
Excellent communication skill in English 
(a) Must be an MBS degree holder. 
(b) Must have three years experience in the related field. 
(c) Able to speak three local languages. 
(d) Excellent in handling computer. 
                          Contact Address: 
                          The Manager 
                          GPO Box 1819, Bhaktapur 

A. From the advertisement find the words which are opposite in meaning to the following words: 
(a) uncertified
(b) detached
(c) dreadful
(d) long ago 
(c) receive 
 
B. Fill in the blanks with suitable words from the advertisement:  
This is an example of an advertisement. A person who has passed................and is......in communication skill in English can apply for the post. Willing and qualified candidates can send their application within ............... . The selected candidates should work as a......   He/She should have the ability to talk in........languages. 

C. Answer the following questions: 
(a) Who is being sought by the organization? 
(b) Who can apply for the post?
(c) Mention the deadline to apply for the post. 
(d) What else should be submitted with the petition?
(e) What is the post advertised?

B. Fill in the blank This is an example of an advertisement. A person who has passed MBS and is excellent in communication skill in English can apply for the post. Willing and qualified candidates can send their application within 20th June 2017. .....

35. Which of the following are equivalent  decimal  fraction.
69.003 and 69.00300

Here,  69.003 and 69.00300 are equal. So they are equivalent .....

36. A trader purchased a camera for rs 20,000 and marked its price tp make 25% profit. If he/she should it for rs 27500 with vat, calculate the rate of vat?

Here, CP = Rs.20,000 Profit = 25% So,  SP =  CP + P% of CP         = 20000 + 25/100⨉ 20000       = ..............Find it. Now,  Final SP with VAT= Rs.27500 So,  VAT amount = .....

37. Prove that :
tanθ1-cotθ+cotθ1-tanθ=1+secθ.cosecθ

Here,  LHS = tanθ/( 1 - cotθ) + cotθ/(1 - tanθ)           = tanθ/( 1 - 1/tanθ) + cotθ/(1 - tanθ)  Since, cot = 1/tan.]         .....

38. Prove that ∆POR ∼ ∇OSQ,
questionimage

Here,  In triangles POR & OSQ, 1.∡PRQ = ∡OQS            [ Since, ∡PRQ = 90o, angle at semi-circle &  ∡OQS = 90o, OQ ⊥ TS.] 2. ∡QPR = ∡QOS        .....

39. In the given figure , O is the centre of the circle , TS tangent and Q is the point of contact. If PR// OS , prove that ∆ PQR ∼ ∆ OSQ.

Here,  In triangles POR & OSQ, 1.∡PRQ = ∡OQS            [ Since, ∡PRQ = 90o, angle at semi-circle &  ∡OQS = 90o, OQ ⊥ TS.] 2. ∡QPR = ∡QOS        .....

40. Solve :
2a - 2 + 23 - a = 3

Here, 2a - 2 + 23 - a = 3 or,2a / 22 + 23/2a = 3 Let 2a  = x, then    x/4+ 8/ x = 3 or, x2 +  32 = 12x or, x2 - 12x+ 32 = 0 Now factorize and solve to find x, then x by .....

41. Solve :
5 1 - x + 5 x - 1 = 26/5

Here, 5 1 - x + 5 x + 1 = 26/5 or, 5/5x + 5x/5 = 26/5 Let 5x  = a, then     5/a + a/5 = 26/5 or, 25 + a2 = 26a or, a2 - 26a + 25 = 0 or, a2 - 25a -a + 25 = 0 Now factorize and solve .....

42. Solve: 5 x + 1 + 5 2 - x = 126  

Here, 5 x + 1 + 5 2 - x = 126   or, 5x . 51 + 52/5x = 126 Let 5x  = a, then     5a + 25/ a = 126 or, 5a2 + 25 = 126 a  or, 5a2 - 126a + 25 = 0 or, 5a2 - 125a .....

43. Solve for x :

5x+1+52-x=125 

Here, 5 x + 1 + 5 2 - x = 125   or, 5x . 51 + 52/5x = 125 Let 5x  = a, then     5a + 25/ a = 125 or, 5a2 + 25 = 125 a  or, 5a2 - 125a + 25 = 0 or, a2 - 25a + 5 = 0 Now factorize and .....

44. Explain the religious and historical importance of paintings in Nepal.

The themes of the Nepalese paintings has always basically been religious, particularly Hindu and Buddhist. Nepali paintings and the artifacts depict the characters and events of scriptures, Vedas, Puranas etc. Nepali artists have always become .....

45. सप्रसङ्ग व्याख्या गरः
ईश्वरको छोरो, मान्छेको भाइ मान्छेले छुँदैन 
योभन्दा ठूलो निर्घिनी पाप संसारमा हुँदैन ।

ईश्वरको छोरो...................................... पाप संसारमा हुँदैन ।    प्रस्तुत .....

46. Simplify: x4 + 1 + 1/x4

x4+1+1x4 =(x2)²+(1x2)²+1 = x2+1x22-2.x2.1x2+1          [a² + b² = (a + b)² - 2ab] = x2+1x22-2+1 =x2+1x22-12  =x2+1x2+1x2+1x2-1              .....

47. Where does line joining points (-1,5) and (2,-5/2) meet the x-axis?

Slope of the line given by the co-ordinates (-1,5) and (2,-5/2) is : m=y2-y1x2-x1 or, m=-52-52--1 or, m=-5-1022+1 or, m=-156 or, m=-52 The equation of the given line is .....

48. What is plastid?

Plastids are double-membrane organelle which are found in the cells of plants and algae. Plastids are responsible for manufacturing and storing of food. These often contains pigments that are used in photosynthesis and different types of pigments .....

49. What type of reaction is the reaction between carbondioxide and calcium hydrooxide giving calcium carbonate and water?

When calcium hydroxide is allowed to react with carbon dioxide,calcium carbonate is obtained.

Ca(OH)2 + CO2→CaCO

50. Tea in a kettle cools slowly but faster in a cup, why?

A tea in the cup cools faster due to loss of heat due to evaporation. As the evaporation in cup is high as the opening of the cup is bigger, and the kettle has its opening closed, and the  rate of evaporation is much  less than cup so the .....