Students and Teacher's Forum

Students and Teachers Forum

Turbid water is caused by particles suspended or dissolved in water that scatter light making the water appear cloudy or .....

2. a grocer sell 40 l of oil for the cost price of 42 l, find his gain percent

Here, If grocer sell 40 l of oil for the cost price of 42 l, Profit= 42 - 40 = 2l Then, Progit % = profit amount / cost ammount x 100% .....

3. How do vegetable farmers transport and distribute vegetables in the market in the context of our country? Explain briefly.

Many of the farmers in Nepal lack modern transportation technology. So, they are still dependent upon the traditional means for transportation and distribution of vegetables. Most of the farmers carry the vegetables on their back and sell them in .....

4. What are the objectives of physical education?

Some of the objectives of physical education are: Physical education allows the students to participate in developmentally appropriate activities Physical education develops and reinforce cooperative bahaviour. Physical education programme .....

5. P sold a laptop to q making a profit of 10% . Q sold the same to r making a profit of 15% . If p had bought the laptop for rs 40,000, find how much r paid for it.

Here, CP of P = Rs.40000 SP of P = CP of Q = CP of P + profit % of CP of P = 40000 + 10/100 x 40000 = 44000 .....

6. If: x= y² +z², y= z²+x², z= x²+y² then, prove that: x/(x + 1) + y(y + 1) + z/(z + 1) = 1.

.....

7. List out the problems and solutions of communication in Nepal.

Some of the solution to problems are: proper development of other infrastructures identification of enough financial resources implementation of cost-efficient communication technology eradication of discrimination between the people in the .....

8. ......Man in the red shirt was my brother.

The man in the red shirt was my .....

9. Yesterday i bought a nespaper and ... Magazine....Newspaper in my bag and.... Magazine was in my pocket.

Yesterday I bought a newspaper and a magazine. The newspaper was in my bag and the magazine was in my .....

10. Write six measures to preserve the social tradition of your community

A social tradition may be defined as the practice performed in the society by the communities living together. They are related to socio-economic condition and religious beliefs. Some of the methods for preserving social traditions .....

11. If a body is thrown vertically upward, then:
i.V=0m/s
ii.U=0m/s
iii.T=0m/s
iv.A=0m/s

If a body is thrown vertically upward then V = 0 .....

12. When a rubber ball having small holes is filled with water and pressed after squeezing it with our hand, it is observed that water comes out with equal force in all directions, why?

According to Pascal laws " When pressure is applied on a liquid enclosed in a vessel, it is transmitted equally in all the direction." As when the rubber ball is squeezed the liquid pressure is transmitted equally in all the .....

13. क) चोरी स्वीकार गर्दा पनि लेखकलाई लाज नलाग्नुको कारण के हो ?

लेखकलाई मानवीय भावना र संवेदनशील पक्षहरूलाई लिएर साहित्य सिर्जना गर्ने एक .....

14. लेखक किन चोरी गर्न बाध्य छिन् ?

निबन्धकार त्रिपाठी इमानदार चोर बन्न प्रयासरत रहेको बताउँछिन् । साहित्य सिर्जना .....

15. If the length of the rectangle is 3 times of its breadth and perimeter is 96m. Find the length and breadth of the rectangle.

Let l be the length and b be the breadth of the rectangle. Then, from the given conditions, l = 3b...............(1) and P = 96 or, 2(l + b) = 96 [ Since, P = 2(l + .....

16. Short answer
a. Why is see saw a first class lever?

You might have learned about the first-class lever. A first-class lever is a bar having a fulcrum (pivot point) between the points where force is applied and where it is exerted. As you can see in the figure below. The fulcrum lies between .....

17. The marked price of an article is 250 and 10%discount is allowed. How much is the discount?

Here, MP = Rs.250 Discount % = 10% Discount amount = ? We know, Discount amount = Discount % of MP .....

18. How to convert f^-1og^-1 into (fog)^-1

Please ask the problem related to .....

19. Calculate the sum which amounts to rs.808in 2.5year at 10.5% p.A s.I.

Here, A = Rs.808 T = 2.5 years R = 10.5% P= ? We know, A = P(1 + TR/100) or, 808 = P(1 + 2.5 x 10.5/100) or, 808 = P(100 + 26.25)/100 or, 808 = P(126.25/100) or, P = 808 x 100 / 126.25 .....

20. Why is diversity and cultures of Nepal have always been a national glory?

Nepal is a multi-ethnic, multi-lingual and multi-cultural nation. Different languages and cultures exist in Nepal. They have created our rich and unique national culture. Our national identity also depends upon this cultural and ethnic .....

21. Imagine Kunsang has visited Manisha. What might have Manisha told her nephew? Complete the following sentences with a suitable expression of advice, suggestion or warning.

a) Kunsang, you mustn't.......

b) You have to..........

c) You ought not ............

d) If I were you I would

e) You aren't allowed to..........

f) You may..........

g) You are not supposed to................

a) Kunsang, you mustn't have visited Manisha. b) You have to focus on your studies. c) You ought not to bring kinds of disgrace to your family. d) If I were you I would have myself on scoring good grades. e) You aren't allowed to skip .....

22. Find the sum of the first 5 terms of an ap whose third term is 4.Write this problem

Here, t3 = 4 or, a + 2d = 4 .......(i) [ Since, tn = a + (n - 1)d.] Now, S5 = n/2 [ 2a + (n - 1)d] = 5/2 [ 2a + 4d] [ Since, n = 4.] .....

23. Inserts 3ams between a-2d and a+2d

Here, No. of AM = 3. a - 2d and a + 2d. So, the three AMs are a - d, a & a + .....

24. Geographical variation is a boon for the nation's development, why?

For a nation to be developed, it needs diggerent resources primarily natural, fainacial and human. Absence of any of the resources hinders developmental activities. Many of the raw materials used in developmental activities are natural products .....

25. कर्म भनेको के हो ? उदाहरण दिई स्पष्ट पार्नुहोस् ।

कर्ताले गरेको काम नै कर्म हो । ‘के’ वा ‘कसलाई’ भनी प्रश्न गर्न मिल्ने र .....

26. Show that 1,2 and 3 are the zero of the polynomial of x^3-6x^2+11x-6

Let, f(x) = x3 - 6x2 + 11x - 6 When, x = 1, f(1) = 13 - 6(1)2 + 11(1) - 6 = 12 - 12 = 0 Thus, 1 is a zero of the given polynomial. Similarly put x = 2 and 3 .....

27. थाड़्काको व्यवसायिक महत्त्व के कस्तो रहेको छ ? विवेचना गर ।

थाङ्का सांस्कृतिक पक्षसँग जोडिएको कला हो । यसको प्रवर्धनले देशको सांस्कृतिक .....

28. तलका अनुच्छेदमा प्रयोग भएका वाक्यहरूलाई कर्तृवाच्यमा परिवर्तन गर :
छठका दिन बिहानैदेखि पूजा सामाग्री तयार गरिन्छ । यिनमा अत्यन्त मिठा परिकार ठेकुवा र भुुसुवा मुख्य मानिन्छन् । गहुँमो पिठोमा सक्खर र घिउ मुछेर ठेकुवा पकाइन्छ । चामलको पिठोमा सक्खर र घिउ मिसाएर भुसुवा (लड्डु) बनाइन्छ । केरा, उखु, मेवा, नरिवल, मुला, बेसार आदि मौसमी फलफुल र कन्दमूलहरू जम्मा गरिन्छन् । यी सबै सामग्रीहरू बाँसको ढकी, टोकरी वा नाङ्लोमा राखिन्छन् ।

उनीहरू छठका दिन बिहानैदेखि पूजासामग्री तयार गर्छन् । (अरू जस्ताको तस्तै) उनीहरू मान्छन् .....

29. How does Nepal compare with Norway and Niger in terms of its human development level? Also, discuss the possible causes of the differences.

HDI ranking of Denmark is 5 with score of 0.95 and is up by one position by in HDI ranking. HDI ranking of Niger is 189 with score of 0.354 and is static to its previous year's position. HDI ranking of Nepal is 144 with score of 0.558 and is .....

30. What is meant by federal democratic repbulic?

A federal democratic republic state is one which is divided into different independent provinces. The state power is decentralized to each province. A federal democratic republican state runs on the basis of people's mandate. A federal .....

31. दुरावस्था

दुरावस्थाः मेरो साथीको घरको दुरावस्था देखेर मलाई दया लाग्यो .....

32. परम्पराको वाक्य

परम्पराः हामी परम्परादेखि नै देवीदेवताको पूजा गर्दै आएका छौँ .....

33. इन्द्रबहादुर खत्री

इन्द्रबहादुर खत्री कक्षाः ८ को ग्रन्थचित्र प्रबन्धका लेखक हुन् । उनले नेपाली .....

34. A monkey tries to climb a chopstick that is 45 meters high. The first one climb 15 meters in a minute, but in the second minute the lipper goes down by 12 meters. At the same rate, find the time to reach the monkey to the top of the tree.

In first 1 min, monkey climbs 15 metres, In second 1 min, it slips down 12 metres. So it climbs 15 - 12 = 3 metres every 2 mins, except the last minute. In the last minute, it would cover all 15 metres and escape. So keeping 1 min .....

35. Explain the topic
limit and continuity

The limit of a function at a point in its domain (if it exists) is the value that the function approaches as its argument approaches. The concept of a limit is the fundamental concept of calculus and analysis. It is used to define the derivative .....

36. ७. थाङ्का लेख्ने कपडा कसरी तयार हुन्छ ? पाठको तेस्रो अनुच्छेदका आधारमा भन्नुहोस् ।

थाङ्का लेख्ने कपडालाई फ्रेममा बाँधेर त्यसमा सरेश दलिन्छ अनि सुकाएर राम्रोसँग घोटेपछि .....

37. १५. थाङ्काको विकास एवम् प्रवर्धन गर्न के गर्नुपर्ला ? आफ्ना तर्क दिनुहोस् ।

38. १७. थाङ्का चित्रको महत्त्व, उपयोगिता र व्यवसायिक सम्भावना कस्तो छ ? चर्चा गर्नुहोस् ।

39. क) जहाँ विविधता हुन्छ, त्यहाँ अनेक सम्भावना पनि हुन्छ । व्याख्या गर्नुहोस |

विविधतामा अनेक सम्भावनाको व्याख्या

जहाँ विविधता हुन्छ त्यहाँ .....

40. How do painting promote national identity of Nepal?

National identity is the distinctive feature of a nation. It refers to the distinctive traditions, culture, and language. It is the qualities of a nation that makes the nation different from others. Nepal is a multicultural, multireligious and .....

41. ठिक र बेठिक कस्तो हुन्छ ?

४. क) निकैपछि ख) वर्णनात्मक रेखाचित्र ग) प्रज्ञा पारमिता घ) .....

42. Describe the historical development of stupa architecture in Nepal.

Each of the eight kingdoms in which the Buddha had lived received one portion of the relics and a stupa was erected in each kingdom in order to house the remains. Buddhist sources claim that during the 3rd century BCE, the Mauryan Emperor Ashoka .....

43. सारदिय आकासको निबन्ध लेख्नोहोस ।

शरद् ऋतु अर्थात् असोज, कात्तिक महिनामा आकाश खुला हुन्छ । ताराहरु खुला रुपमा .....

44. A retailer allowed 12% discount and sold a T-shirt at a loss of Rs 16. If he had sold it at 10% discount he would have gained rs 20. For what price did he purchase the T-shirt?

Let MP be x, then SP = MP - 12% of MP = x - 12/100 x = 22x/25 SP=CP - loss or,22x/25 = CP - 16 or, CP = 22x/25 + 16,.............i) Again Discount=10% So, SP= MP - 10% of MP or, SP= .....

45. How many gram of water 6.023⨉10²³ molecules of water.

mass of 6.023 x 10^23 molecules = 18.0 gm of .....

46. निबन्ध लेख्नुहोश ः १। परिवर्तन संवाहक। २।प्रविधिमैत्रि शिक्षा

प्रविधिमैत्री शिक्षा

जन्मदेखि मृत्युपर्यन्त आवश्यक पर्ने र .....

47. Sove :
3x+2y-15=0
5x-3y-25=0

Here, 3x+2y-15=0.........(i) 5x-3y-25=0........(ii) Multiplying (i) by 3 and (ii) by 2 we get 9x + 6y- 45=0 and 10x - 6y - 50=0 Adding them we get 9x + 6y- 45=0 10x - 6y - .....

48. मत्ताले घर भत्कायो

ढोईले घर भत्कायो .....

49. Prove that: (1 - cosπ/8)(1 - cos3π/8)(1 - cos5π/8)(1 - cos7π/8) = 1/8.

Here, LHS =(1 - cos π/8)(1 - cos 3π/8)(1 - cos 5π/8)(1 - cos 7π/8) = (1 - cos π/8)(1 - cos 3π/8)(1 + cos 3π/8)(1 + cos π/8), [since cos(π - A) = -cos A.] = (1 - cos² .....

50. Prove that: cos⁴A + sin⁴A = 1/4 (3 + cos4A)

RHS = 1/4 [ 3 + cos(4A) ] = 1/4 [ 3 + cos(3A + A) ] = 1/4 [ 3 + cos3A cos A - sin3A sin A ] Using cos3A and sin3A formulae = 1/4 [ 3 + cos A (4cos3A - 3cos A ) - sin A ( 3 sin A - 4sin3A) ] = 1/4 [ 3 + 4cos4A .....