Students and Teachers Forum

1. A sum of money was distributed among some boys equally.Had there been two boys more each have received rs 10 less.Had there two boys less each would have received rs 15 more.Find the number of boys and sum of money received by each.

Let the amount each boy has be Rs.y and the number of boys be x . Then total amount = Rs. xy From the first case, (x + 2)( y - 10) = xy ….. (i)  From the second case,  (x - 2) (y + 15) = xy (ii)  From (i)     .....

2. If 7 tanA = 1 and 3tanB = 1, then prove that: A + 2B = 45o.

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3. What should we do to be a national personage?

The following should be done to be a national personality: - Should work for the betterment of the country. - Should help improve the living standard of the people. - Should work for the common people. - Should not be selfish. - Should .....

4. A person buys an article at a discount of 20% and pays 10% VAT. If he pays Rs.320 for VAT, find the MP of the article and also the amount paid by him to buy the article.

Here, VAT amount = Rs.320 or, VAT % of SP = Rs.320 or, 10/100 x SP = 3200 or, SP = RS. .....

5. Simplify: (2x- y)/(4x2 - 2xy + y2) - (2x +y)/(4x2 + 2xy + y2) + 16x3/(16x4 + 4x2y2 + y4).

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6. If the median of given observation is 24, find the value of p.
class 0-10 10-20 20-30 30-40 40-50
Frequency 4 12 p 9 5.

Here,   Marks obtained f cf 0-10 4 4 10-20 12 16 20-30 p 16+p 30-40 9 25+ p 40-50 5 30 + p   N = 30+p   Median = 24 So, .....

7. Ram borrowed a sum of money at the rate of 5% simple interest for 2 years and he lent it at compound interest at the same rate for the same time. In this transaction if he gained Rs.30, find the sum borrowed.

Let the sum borrowed by Ram be the Principal (P). Case of simple Interest (S.I) Principal (P) = P Rate (R) = 5% Time (T) = 2 years Now,  S.I. = (PTR/100)        = .....

8. The general term of the sequence is defined as tn= 2- 1/2 ko power n find the limit value of the sequence

Here,  tn = 2 - 1/2n, As, n⟶ ∞, 1/2n ⟶ 0. Thus,  tn ⟶ 2. i.e; limit value of sequence is .....

9. What do you call the materials needed to produce various goods?

The materials needed to produce various goods are called raw materials. Raw material is a basic material from which various product is .....

10. What is the limit of sequency 0.1,0.01,0.001,0.0001,........?

We have given sequence is  0.1, 0.01, 0.001, 0.0001, 0.00001....... Limit of this sequence is .....

11. Explain in brief the policy based institutional and action-oriented activities in Nepal that have held for tourism development.

Of course, for the development of any of the sectors, it is important to have two plans. One is policy based institutions which provide necessary information to the visitors. Their main function is to come up with the policy for the promotion of .....

12. What kind of roles is being played by Nepal as a member of NAM? Mention 4 points and list feature of NAM.

The roles Nepal should play being a member of NAM are as follows: - Nepal should stay neutral when the matter comes to international politics. - Nepal should not interfere with any of the countries for no reasons. - In case of the arising of .....

13. Write two characteristics of Pungi.

The above-given picture is of Pungi. The two characteristics of Pungi are as follows: - It is used by snake charmers to engage the snake. - It is played without any pause or .....

14. Prepare a model of an article for the national daily mentioning the pre-requisites needed for the people who are interested in foreign employment.

Reetu Awasthi THT, KAthmandu Remittance has been one of the most important sectors at present as it supports the national economy. This sector has, in fact, been boon for the country like Nepal. Nearly 25,00,000 .....

15. Australia exports wool, meat and dairy products. Give reasons.

Australia is one of the largest exporters of wool, beef, mutton and lamb across the world. To prove this statement, we can present the following reasons. - Animal rearing is one of the main economic activities of Australia due to .....

16. An ant that moves 2.2cm/sec, how long will it take to go round a circle of radius 7cm?

Given, Radius( r ) = 7 cm Perimeter of the circle = 2πr = 2 * ( 22/7 ) * 7 = 44 cm By question, An ant moves 2.2 cm/ sec i.e. It moves 2.2 cm in 1 second. It moves 44 cm in 44 / 2.2 second It moves 44 cm in 20 .....

17. If the cost price of 5 pens is equal to the selling price of 4 pens of the same kind , find the profit percentage.

Given, Cost price of 5 pens = Selling price of 4 pens = x Then, Cost price of 5 pens = x Cost price of 1 pen = x / 5 Similarly, Selling price of 4 pens = x Selling price of 1 pen = x / 4 Using formula, Profit = Selling price of 1 pen - Cost price .....

18. Construct a square ABCD having a measure of a side AB = 6cm and justify it.
 

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19. If A + B + C = πc, prove that: (SinA + SinB + SinC)/(SinA - SinB + SinC) = TanA/2 . TanC/2.

Here are  lots of question are pending. We are very sorry for this. Our main priority is out students. Please keep patient. And ask the exam type question .....

20. Define 1 horse power.

Horsepower is defined as the power that a horse gives when pulling, and it is used informally to mean power, or is the power needed to raise 550 pounds a distance of one foot in one second .....

21. What is sub units of work?

Subunit of work is .....

22. What do you mean by thermal plants?

A thermal power plant is a power plant where steam is used to drive a steam turbine. This turbine is connected to an electrical generator. After this, the water is condensed and may be used .....

23. If an angle Φ is divided into two parts α and β such that tanα:tanβ=x:y, show that sin (α-β)=x-y/x+y sinΦ

Here, angle θ is divided into two parts α and β. So,α +  β  = θ. We have given,  tanα:tanβ=x:y or,  tanα / tanβ=x / .....

24. Show that heat transfer from hot to cold body by some activities with figure.

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25. Prove that: 1/tanA - 1/tan2A = cosec2A.

Here,  LHS = 1/tanA - 1/tan2A

= cos A/sinA - cos2 A/sin2 A   [ Since, tanA = sinA/cosA]

= (sin2A cos A - cos2A sin A) / (sin 2A sin A)

Using the compound angle formulae,

We know that sin(2A - A ) = sin2A .....

26. In triangle ABC,P is the mid point of BC. If AR = RQ = QC, prove that: (i) BR = 4 SR (ii)∆ABC = 12∆ASR.

Here, Join P & R. 1. In ∆BRC, PQ = 1/2 of BR           [ By midpoint theorem.] 2. In ∆APQ, SR = 1/2 of PQ      & AS = SP     [ By midpoint theorem.] 3.So, .....

27. Write about lamarckisn.

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28. Write any 5 difference of communicable and noncommunicable diseases.

The difference between communicable and non-communicable diseases are presented in the table below: Communicable Diseases Non-communicable Diseases Communicable disease can pass from one person to another. Non-communicable .....

29. She has bought a car. (present perfect continuous)

She has been buying a .....

30. A person makes the calls at 6:00am to 6:20am and 10:00am to10:40am daily besides the minimum calls.What will be the telephone charge of a month according to ntc payment system

Can you post the .....

31. Who has drunk it? (present perfect continuous)

Who has been drinking .....

32. Why have you sold it? (present simple)

Why do you sell .....

33. They grind some stones. (present perfect)

They have grinned some .....

34. What do you mean by divide and rule?

Divide and Rule is a very old political strategy. In this strategy, one power breaks another power into smaller and more manageable pieces. And, then takes control of those pieces one by one. It basically means that one .....

35. She has bought a car. (present perfect continuous)

She has been buying a .....

36. They are travelling by plane. (present simple)

They travel by .....

37. वाक्यमा प्रयोग गर्नुहोस् :
क) व्यक्तिवादी
ख) जिज्ञासु
ग) जायजेथा
घ) सगोल
ङ) करामत

व्यक्तिवादीः व्यक्तिवादी सोचले देशको विकास हुँदैन । जिज्ञासुः जिज्ञासु बालकले चाँडै प्रगति .....

38. १९. तलका बुँदाका आधारमा कथा लेख्नुहोस् :
..... एक जना गरिब मानिसहरू ..... गरिब मजदुरी गरेर जीवन निर्वाह गर्ने ..... एक दिन एउटा महात्मा आइपुगेका ..... महात्मालाई गरिबले भोजन गराएको ..... महात्माले एउटा अनौठो जाँतो उपहार दिएका ..... चाहिने कुराको नाम लिएर दायाँतर्फ जाँतो घुमाउँदा भनेको कुरा आइरहने ..... भयो भनेर देब्रेतर्फ घुमाएपछि जाँतो घुम्न बन्द हुने ..... गरिब मान्छे जाँतोले चाँडै धनी भएको ..... एक दिन जाँतो चोरी भएको ..... चोर जाँतो चोरेर घरका परिवार लिएर समुद्री यात्रामा ..... डुङ्गामा जाँतोलाई भनेर रोटी र माछा धेरै पकाएको ..... माछा तारेर खान तयार गरेको ..... नुन नभएको जाँतोलाई नुन मागेको ..... जाँतो बन्द गर्ने तरिका चोरलाई थाहा नभएको ..... जाँतोबाट नुन आइरहेको ..... नुनले नाउ भरिएर डुब्नु ..... नाउसँगै चोर पनि डुबेर मर्नु ..... त्यही नुन समुद्रमा पग्लेर समुद्रको पानी नुनिलो भएको विश्वास

गरिब, महात्मा र चोर
एउटा गाउँमा एक जना गरिब मानिस .....

39. Define hymen and clitoris.

The hymen is a thin, fleshy tissue that's located at the opening of your vagina.  The clitoris is a small, sensitive organ located at the top of the vulva, just above the urethra and the vaginal .....

40. In the given figure, E & F are the mid-points of AB & AC respectively. AD cuts BC at D and EF at G. Prov that AG = GD.

In triangle,ABC, by mid point theorem, we can say AB//EF So, AB//EG Here we can write EG//CD, This is why, AB//EG and AB//CD. Finally, by mid point point theorem  G is mid point of AD. Thus, AG  = .....

41. In triangle PQR, PT is a median.   S is the mid-point of PT and QS is produced to meet PR at M. Prove that: PM = 1/3 PR.

Here is same question. Pleasse look it and do your question. Question: In the figure, AP is the median of triangle ABC. E is the mid-point of AP. Prove that AF = 1/3 AC Answer:

Here,  Given AD is the median of ΔABC and E is the .....

42. In the given figure alongside, the straight line A, B, C & D cuts two concentric circles. Prove that AB = CD.

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43. Show the differences between internal and international migration.

The difference between internal and international migration is shown in the table below: Internal Migration International Migration It is the movement of people from one place to another within the country. It is the movement .....

44. What efforts should the government and private sectors make for the effective water supply in Kathmandu valley?

- They should search for alternatives to drinking water. - They should make people aware of the economic use of the supplied water. - They should talk to the international agencies to invest for the construction of water supply .....

45. A cylindrical wooden log is cut into two halves along its length . If the diameter and height of the log are 14cm and 50cm respectively. Find the total surface area of one part.

Here, Diamerer of log = d = 12cm  Height = h = 50cm TSA of half wooden log = Area of 2 semi-circle + Area of rectangular part + CSA of half  of cylinder. = 2 ⨯ 1/2 ⨯ πr2 + h ⨯ d + 1/2 ⨯ .....

46. What are the different sectors which employ large numbers of people to work? 

There are different sectors which provide job opportunities to a large number of people. They are as follows: - Private sectors, - Government sectors - And cooperatives. Around 80, 000 people in the government jobs are involved in .....

47. Name the governments body that regulates the appointment, promotion, and dismissal of government servants and also write what happens in its absence. 

The government body that regulates the appointment, promotion and dismissal of government servants is the Ministry of General Administration. In the absence of the Ministry of General Administration, the following things will happen: - The chain .....

48. Write the function of women volunteers.

- They help the pregnant woman sharing information to better their health. - The women volunteers make women aware of their rights. - They raise their voices against the trafficking of girls. - They raise their voices to stop domestic violence .....

49. In the given figure, ABCD is a //gm, DM and BN are bisector of ∡D and ∡B repectively.Prove that BMDN is a parallelogram.

Here, DM and BN are bisector of ∡D and ∡B repectively. So, a) ∡ADM = ∡CDM = ∡ABN = ∡CBN   [  ∡D = ∡B, being opposite angles of parallelogram] .....

50. The length of the rectangular room is twice its width and length of its diagonal is 9√5, find the perimeter and area of the room.

We have given, l = 2b Length of diagonal = 9√5cm In right angle triangle ABC, l2 + b .....