Students and Teacher's Forum

Students and Teachers Forum

1. स्थानिय सरकार भनेको के हो ? स्थानिय सरकारको आवश्यकता किन पर्छ?

केन्द्रीय सरकारले समग्र देश र स्थानीय सरकारवीच समन्वय र नियन्त्रण गर्दछ भने स्थानीय सरकारले .....

2. ....... Ugly looking children are street children

Those ugly looking children are .....

Question tags are the short questions that we put on the end of sentences or a statement – particularly in spoken English. The interrogative sentences do not end in a question tag. Eg: This exercise is easy, isn't it? So, please recheck .....

4. What do you understand by fruits farming in small quantities?

Fruit farming in small quantities means the production of fruits in small-scale. It refers to the farming of fruits in our personal garden around the home. It is done to fulfil the basic needs of a family. The fruit farming in small quantities .....

5. Write a story of wolf, tiger and a fox.

A wolf was often cheated of his prey by a fox; so he thought the best way of getting rid of his enemy would be to carry tales against him to the tiger, who was the king of the forest. So one fine morning he went to the lair of the king, and said, .....

6. नेपालमा हाक कति प्रदेशहरु रहेका छन्? नक्सामा देखाउनुहोस्।

नेपालको संविधान २०७२ नेपालमा ७ प्रदेशको व्यवस्था गरेको छ। नेपालका ७ प्रदेशहरुलाई नेपालको .....

7. नेपालमा हाल कति जिल्लाहरु रहेका छन, नेपालको नक्सामा प्रस्तुत गर्नुहोस्।

तल प्रस्तुत गरीएको नेपालको नक्सा अवलोकन गरी हाल नेपालमा रहेका जिल्लहरु कपिमा .....

8. If AB⃗ displaces A(1,1) to B (2,4) and CD⃗ displaces C(2,1) to D(3,2) show that AB⃗=CD⃗.

Here, OA = (1, 1) OB = (2, 4) So, AB = OB - OA = (2, 4) - ( 1 ,1) = ( 2 - 1, 4-1) =(1, 3) Similarly find CD. You will get CD = (1, 3) Thus AB = CD. [ Note : give vector sign for .....

9. Why do far object appears to be smaller than the near ones?

The size of an object while seeing it through eyes depends on the visual angle and not on the real size of the object. If the object is near to the eyes the visual angle will be higher and when it is far away the angle will be smaller. According .....

10. What problems do women have to face in our society?

We know that men and women are equally important. They are the two sides of a single coin. But, the status of women in Nepal is not so good. They are being the victims of gender discrimination. They have been suffering from domestic .....

11. What development works are seen in the construction of road?

We know that the development of infrastructure in Nepal is in poor condition. So, the government has now focused on the development of infrastructure across the country. We can see the construction of road networks at the local level .....

12. प्रकृति वातावरण र मानिसकाबिच अन्योन्यास्रित सम्बन्ध हुन्छ ।

क) यस वाक्यांशमा वर्तमान समयमा विज्ञानको चमत्कारको नाममा प्रकृति विनाश भैरहेको हुँदा .....

13. वैज्ञानिक चमात्कार र मानवीय उन्नतिभित्र प्रकृतिको विनाश समेटिनु हुदैँन ।

यस वाक्यांशमा वर्तमान समयमा विज्ञानको चमत्कारको नाममा प्रकृति विनाश भैरहेको हुँदा त्यस्तो .....

14. मानिसका कस्ता क्रियाकलापले गर्दा वातावरण प्रतिकुल हुन्छ ?

मानिसका कस्ता क्रियाकलापले गर्दा वातावरण प्रतिकुल हुन्छ ? उत्तर : प्रकृति र वातावरण .....

15. Write down the total surface area of square based pyramid having base side x cm and slant height y cm

Here, Length of base of side = a = xcm Slant height = l = ycm We know, TSA = Area of base + LSA = x2 cm2 + 2xy .....

16. In the figure alongside , PQ//WY. Show that :
i)∆WXY ∼∆PXQ
ii)WY.PX=WX.PQ

Here, In triangle ∆WXY & ∆ PQX, i)∡W = ∡QPX [ Corresponding angles.] ii) ∡ X = ∡ X [ Common angle.] So,∆WXY ∼ ∆ PQX. Now take the ratios of corresponding sides of .....

17. Write short notes on all of below:
a) Satee system
b) Slavery system
c) Kamaiya system
d) Haliya system
e) Bribery system

Bribery System: Bribery is the offer or acceptance of anything of value in exchange for influence on a government/public official or employee. In general, bribes can take the form of gifts or payments of money in .....

18. A man spends1/5 part of his life insurance and 1/3 part on food .If he deposites the remaining sum of rs 8400 in a bank find his income.

Here, He spends 1/5 + 1/3 = 8/15 for insurence & food. Remaining money = 1 - 8/15 = 7/8. Thus, 7/ 8 of total money = Rs.8400 or, Total money = Rs.8400 ⨯8/7 Find .....

19. 2cos²A -cosA -1=0

Here, 2cos2A -cosA -1=0 or, 2cos2A -2cosA + cosA -1=0 or, 2cosA( cosA - 1) + 1(cosA - 1) = 0 or, ( cosA - 1) ( 2cosA + 1) =0 Now, do either or and find the value of .....

20. Sinsquarea-2cosa=1/4

Please post clear and complete question. Did you mean find value of cosA? If so, Sin2A - 2cosA = 1/4 or, 4sin2A - 8 cosA = 1 or, 4 - 4 cos2A - 8cosA - 1 = 0 [ Since, Sin2A = 1 - cos2A.] or, 4cos2A + 8cosA - 3= .....

21. Nitrogen+hydrogen>>>>>amonia
change it into balanced equation

Hydrogen + Nitrogen → Ammonia ⟹ 3H2 + N2 ⟶ .....

22. चिठी लेखने श्रदधा दिदीको बानी तथा व्यवहार कस्तो हेला ? चिठी पढेका आधारमा कक्षामा छलफल गनुहोस।

श्रद्धा दिदी आयुर्वेदको सामानमा बढी विश्वास गर्ने र फुर्सदको समयमा आयुर्वेद .....

23. Define catalyst. (in nepali language)

.....

24. If the product of two consecutive even number is 224 find num

Let the consecutive even numbers are y and y + 2. According to question, y ( y + 2 ) = 224 or, y2 + 2y - 224 = 0 or, y2 + 16y -1 4 y - 224 = 0 or, y ( y + 16 ) - 14 ( y + 16) = 0 or, ( y - 14) ( y + 16) = .....

25. Prove that :
Tan (A-B)+tan(B-C)+tan (C-A)=tan(A-B).Tan (B-C).Tan (C-A).

Let P = A - B, Q = B - C & R = C - A. Then, P+Q+R = A- B + B- C + C - A = 0 or, P + Q = - R or, tan( P + Q) = tan(-R) or, ( tanP + tanQ) / ( 1 - tanP tanQ) = - tanR or, tanP + tanQ + tanR = tanP.tanQ.tanR Now replace values of .....

26. Convert Rs 15. 5 into paisa.

Here, given Rs 15.5 To convert rupees into paisa we have to multiply the given amount by 100. 15.5 ⨉ 100 = 1550.0 = 1550 .....

27. Duties and rights are two sides of the same coin, explain.

The constitution of Nepal has granted 31 fundamental rights to the Nepali citizens. Right to freedom, right to equality, right to get education, the right to voting are some examples. Every citizen has no bar to enjoy these fundamental .....

28. In an annual function of a school every student has to participate either in sport or in music. Out of 180 students,if 120 participate in sport and 40 participate in both activities, find
i.How many student participate only in music?
ii.Represent in venn daigram

n(U) = 180 n(S) = 120 n(S∩M) = 40 nₒ(M) = ? Now by using formula, n(U) = n(S) + n(M) - n(S∩M) 180 =120 + n(M) - 40 Now, find the value of n(M) Then to find nₒ(M) nₒ(M) = n(M) - n(S∩M) Substitute the value from .....

29. In a survey of 350 tourists,220 were found visiting pokhara, 150 visiting solukhumbu and every tourist visited at least one place.
i.How many tourist were visiting both place?
ii.How many of them were visiting only one place?
iii. Illustrate in venn diagram

Here, given n(U) = 350 n(P) = 220 n(S) = 150 n(P∩S) = ? n(U) = n(P) + n(S) - n(P∩S) 350 = 220 + 150 - n(P∩S) Calculate it and find the value of n(P∩S) ii. nₒ(P) = n(P) - n(P∩S) .....

30. A number consist of two digit number three times the digit at tense place when 54 is added to the number it's digit are reserved find the number

Let the number be '10x + y' Now, from first condition, 10x + y = 3(x + y) or, 10x + y = 3x + 3y or, 7x = 2y or, y = 7x/2 .....(i) Again, from another condition, 10x + y + 54 = 10y + x or, 9y - 9x = 54 or, y - x = 6 or, y = x+ .....

31. Give reasons why production of vegetable seeds is dearer than production of vegetables as such

I dont understand your question. What did you meaned by dearer? Please post the correct question as .....

32. The price of an article is marked at 25% above the cost price.if it is the sold at the profit of Rs.125 after allowing 15% discount what will be the selling price

Here, MP = CP + 25% of CP = CP + .25CP = 1.25CP Discount% = 15% Now, SP = MP - 15% of MP = MP - 0.15MP .....

33. What are biceps and triceps?

The bicep is the muscle on the frontal part of your arm between the shoulder and elbow, it is commonly reffered to as a “pulling” muscle as it is most often used when pulling motions.

Triceps are the one on the opposite .....

34. A shopkeeper ola discount of 13% and still make a profit of the 15% on selling and articles if the marked price of the article season is 15000 then find the selling price and cost price and profit

Here, SP = MP - D% of MP = 15000 - 13% of 15000 = Rs.13050 Again, SP = CP + P% of CP or, Rs.13050 = CP + 15% of CP or, 13050 = 115CP / 100 or, CP = Rs.11348. Now find profit .....

35. Simplify: {(a - b)^-3}^c ÷ {(a + b)^c}^-3

Here, {(a - b)-3}c ÷ {(a + b)c}-3 = (a - b)-3c ÷ (a + b)-3c = [(a - b)/ (a + b)]-3c = [(a + b)

36. (क) खुला संसार खुला परिवेशमा नै मानिसको प्रतिभा, क्षमता र मेहनतले फक्रने फुल्ने र फैलिने मौका पाउँछ ।

(ख) स्थानीय उत्पादनहरु बढी लाभदायक, टिकाउ र अझ संग्रहणीय हुन्छन् ।

दिइएको सामग्री प्रशस्त छ भनेर हो .....

37. Make sentence of the following words.
a.Radar b.Emergency c.Spacesuit
d.Sunshade e.Expensive

The sentences have already been .....

38. If (a - c)² = 4(b² - a) then prove that a, b, c are in AP.

I think something is missing in question. Please check and correct and infrom .....

39. If (b + c), (c + a) and (a + b) are in AP then show that a, b and c are in AP.

Here, (b + c), (c + a) and (a + b) are in AP. So, c+a - b - c = a + b - c - a [ Since, common diff.is same in AP.] or, a - b = b- c or, b - a = c - b This shows that a,b & c are in .....

40. If 15, p, q, r, 43 are in an AP then find the values of p, q and r.

Since, 15, p, q, r, 43 are in AP, we can write, p - 15 = q - p = r - q = 43 - r [ Since, common difference is same in AP.] So, p - 15 = 43 - r or, p + r = 58 ................. (i) And, p .....

41. The sum of first 10 terms of a series in an AP is 365. If the eight term exceeds the double of the fourth term by 2. Find the sum of first 5 term.

Let a be the first term and d be the common diff.of given AP. Then S10 = 365 or, 10/2 [ 2a + (10 - 1)d] = 365 [ Since, Sn = n/2{ 2a + (n - 1)d}.]. or, 5[ 2a + 9d] = 365 or, 2a + 9d = .....

42. What must be the unit of an angle if the sum of the measures of a degree and grade is 1?

It must be in grade. So, change degree also into .....

43. What is BIMSTEC? What advantages can Nepal take being member of BIMSTEC?

It constitutes seven Member States: five deriving from South Asia, including Bangladesh, Bhutan, India, Nepal, Sri Lanka, and two from Southeast Asia, including Myanmar and Thailand. Initially, the economic bloc was formed with four Member States .....

44. The revolution of 2007 BS had ended the family rule and introduced another dictatorial rule in the country." Present your logic in favour or against of this statement.

According to the Delhi agreement, a coalition government of Nepali Congress and Rana was formed. This cabinet passed the 'Interim Government Act of Nepal, 2007' on 17th Chaitra, 2007 BS. It was the first democratic constitution of .....

45. Write a suitable sentence of the follwing word.
radar satellite spacesuit sunshade expensive emergency

I could drop off the radar for a time. Satellites help meteorologists predict the weather. Images of the planet are sent .....

46. What is sternum?

The sternum, commonly known as the breastbone, is a long, narrow flat bone that serves as the keystone of the rib cage and stabilizes the thoracic skeleton. Several muscles that move the arms, head, and neck have their origins on the sternum. It .....

47. Evaluate:
a^y-z . a^z-x . a^x-y

Here, ay - z . az - x . ax - y. Using indices rule, xm . xn = xm+n, we get = ay - z + z - x + x - y. = a0 = 1 [ Since, x0 = .....

48. Simplify: (ax)^{y - z} . (ay)^{z - x} . (az)^{x - y}

(ax)y - z . (ay)z - x . (az)x - y = ay - z . xy - z . az - x . yz - x . ax - y . zx - y = a y - z + z - x + x - y x y - z + z - x + x - y = a0 . x0 = 1.1 = .....

49. Solve: (9^{y + 1} . 3^{2(y - 2)})/(243)^2y/5 . 3^{2y + 1}

[ 9y + 1 . 32(y - 2)]/[(243)2y/5 .32y+1] = [ 32(y + 1) . 32y - 4]/[(35)2y/5 .32y+1] = [ 32y + 2 . 32y - 4]/[32y .32y+1] = [ 32y + 2 +2y - 4]/[32y+2y+1] .....

50. What development works are seen in the field of agriculture in Nepal?

The government has established trade networks to different countries in the world which helps to export the agricultural production. Different kinds of agro-based industries have been established in the country. Scientific use of land has been .....