Students and Teacher's Forum

Students and Teachers Forum

1. From the given figure find the value of x .

Here, we have been given a quadrilateral, ETRX. We have been asked to find the value of x. At first let us write down given information: In quadrilateral, ETRX ∡ E = 95° ∡ T = 80° ∡ X = 3x ∡ R = 2x To find the value of x, we should .....

2. Look at the images and complete their names.

.....

3. Write down a measure to increase the velocity ratio of a lever.

A measure to increase the velocity ratio of a lever can be; To decrease the distance between the load and the fulcrum of the .....

4. Subtract the following:

1223 - 423 - 123

1223 - 423 - 123 = 12-4-123 = .....

5. From the given figure find the value of x .

Here, we have been given a quadrilateral, APUJ. We have been asked to find the value of x. At first let us write down given information: In quadrilateral, APUJ ∡ A = 2x ∡ P = 3x ∡ U = 2x ∡ J = 2x To find the value of x, we should know .....

6. Write any two examples of healthy foods.

Any two examples of healthy food are: Fresh .....

7. Name any three things in the surroundings:

1. ______

2. ______

3. ______

1. Cattle 2. Sun 3. .....

8. If the arithmetic mean of two unequal positive real number m and n is twice as great as their geometric mean, prove that: m : n = (2 + √3) : (2 - √3).

If m and n are in gp then let m =ar and n=a/r [ In GP we suppose two no ar & a/r, with common ratio r.] By the question,

AM=2GM

or, (m+n)/2 = 2√ab

or, m + n=4√mn

Put m and n in .....

9. Write any two examples of healthy drinks.

The two examples of healthy drinks are: Milk Fresh .....

10. What is noise?

An unpleasant sound which disturbs us is called .....

11. What are cell organelles?

Cell organelles are the living substances present in the .....

12. Subtract the following:

2117 - 717 - 317

2117 - 717 - 317 = 21-7-317 = .....

13. Use a protractor to measure these angles and write their sizes and kind of angle.

∡ABC = 400 It is an acute .....

14. Match the diseases with the parts of the body which they affect.

Typhoid Nervous system
Eczema Stomach
Gastritis Feet
Filaria Skin
Polio Kidneys and intestines

Typhoid --------Kidneys and intestines Eczema --------Skin Gastritis--------Stomach Filaria-----------Feet Polio-------------Nervous .....

15. Why is Nepal called a multi-cultural and multi-lingual nation?

Nepal is called multi-cultural and multi-lingual nation because people of many religions live here who have different cultures. They also speak different languages like Nepali, Tharu, Bhojpori and .....

16. Subtract the following:

1621 - 521 - 521

1621 - 521 - 521 = 16-5-521 = .....

17. Arrange the given numbers in descending order.

87 72 60 41 32 .....

18. List out any two good habits.

Two good habits are: 1. Sharing 2. Helping each .....

19. Rearrange the jumbled letters.

.....

20. Who is known as the 'Father of Computer'?

CHARLES .....

21. In the given figure, if ∡m = ∡n, prove that
∡ a = ∡ b and ∡x = ∡y

Here, in the figure, we have been given ∡m = ∡n. We have been asked to prove, ∡a = ∡b and ∡x = ∡y. At first, let us write down given information: In figure, ∡ m = ∡n Prove that ∡a = ∡b and ∡x = ∡y. ∡a and ∡n are the .....

22. Subtract the following:

912 - 212 - 512

912 - 212 - 512 = 9-2-512 = .....

23. If the 7^th term of a GP is a 1 and 16 times its 11^th term is also 1, find the sum of its first 7 terms.

Let the first term of the GP be 'a'. And, common ratio(r) be 'r'. We know, 7th term = ar6 = 1 or, ar6 = 1.......(i) 11th term = ar10 or, 16 x ar10 =1 or, ar10 = 1/16 .....

24. What are the benefits of following social rules for an individual and society? Explain.

Social rules make society healthy, beautiful and managed. Moreover, they contribute to maintaining brotherhood, mutual support to live in the society. They also help in minimizing the social crimes and make everyone .....

25. What is anatomy?

The study of internal structures of an organism is called .....

26. If pth term of an ap is 'q' and qth term of an ap is p ,prove that the nth term is p+q-n.

Here, we have given, tp = q or, a + (p - 1)d = q.............(i) And, [ Since, tn = a + (n - 1)d.] tq = p or, a + (q - 1)d = p...........(ii). Subtracting (i) from (ii), .....

27. Mention the main purposes of using a simple machine. No simple machine has efficiency 100% efficiency, why?

Simple machines are those tool or devices which make our work easier and convenient in the direction of a force. The main purposes of using simple machines are as followings: Simple machines make our work easier by multiplying .....

28. Look at the pictures and write their names.

.....

29. Write the name of missing direction.

.....

30. Write the name of missing direction.

.....

31. Arrange the given numbers in descending order.

50 48 45 37 .....

32. In the given pair of triangles, ∆ABC ~∆DEF. Write the ratio of their corresponding sides.

Here, .....

33. Write the name of missing direction.

NW (North .....

34. Write the name of missing direction.

NE (North .....

35. Add the following:

1235 + 1135 + 1035 + 135

1235 + 1135 + 1035 + 135 = 12+11+10+135 = .....

36. How many arthmetic mean are there between 1 and 41 where the. Ratio of the third term and (n-1)the term is 3:11?

We have given 1st term = a = 4, Last term = b = 24. Let m1, m2, m3, …….mn be n arithmetic means between 1 and 41 and let d be the common difference between the terms of the A.P. Then, d = (b – a)/(n + .....

37. What are glands?

A group of cells that secrete different types of juices hormones required for our body are called .....

38. List out any two Jatras of Newar.

Any two Jatras of Newar are: Indra Jatra Bhoto .....

39. Do you discriminate amongst your friends?

.....

40. Do you discourage gender discrimination?

.....

41. Look at the picture and fill in the blanks.

1. The sun rises from the ________.

2. The sunsets in ________.

3. There are ________directions.

4. The names of direction are east, west, north and ________.

5. The boy is facing towards ________direction.

1. The sun rises from the east. 2. The sunsets in west. 3. There are four directions. 4. The names of direction are east, west, north and south. 5. The boy is facing towards east .....

42. What is shoot system?

The part of a plant which grows above the ground is called shoot .....

43. A = {3, 4, 5}, B = {2, 4, 6}. What are the elements of relation "greater than" from A to B?

{(3, 2), (4, 2), (5, 2), (5, .....

44. Add the following:

750 + 950 + 1450 + 1250

750 + 950 + 1450 + 1250 = 7+9+14+1250 = .....

45. Write A to P in the boxes given below.

.....

46. First and last term of a GP are 2 and 512. If the sum of first four term is 30 and that of last four term is 960 find the number of terms in the GP.

Let a be the first term and r be the common ratio of the given GP. Then, a = 2, tn = l = 512. From the first case, S4 = a(r4 -1)/(r -1) or, 30 = 2(r4 - 1)/(r - 1)......................(i) For the .....

47. Convert the following fraction into percentage:

1250

1250 = 1250 × 100 % = 24 .....

48. Find the square root of 1024.

Here, 1024 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × .....

49. चित्रभित्र दुई अक्षर लागेका पाँच वटा वाक्यहरू लेख्नुहोस् :

.....

50. Identify the given animal and give the name of its young one.

.....