Students and Teachers Forum

1. If cosA/2 = √3/2, find the value of cosA.

We know,   cos2A = 2 cos2A/2 - 1             = 2(√3/2)2 - 1            = .....

2. Derive the relation P = FA.

Here, we are going to derive formula for pressureP= F .....

3. Change into numerals. 
 
One   
Four  
Six  
Two  
Nine  
 

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4. Tick the correct option.
  

 
Good habit             
Bad habit  

Good habit          ✔    Bad .....

5. What are the benefits of living in a town? Write any two benefits.

The benefits of living in a town are: 1. People have easy access to different facilities. 2. People have access to many job .....

6. Which is the co-interior angle of ∡GHD?

Here, we have been given parallel line intersected by line segment EF. We have been asked to find co-interior angle.  To find the co-interior angle, we should know that: Interior angles lying on the same side of the transversal are called .....

7. What brings mutual harmony?
 

Equal behaviour between friends and neighbours brings mutual harmony. Also, cooperation and fair treatment bring mutual .....

8. Express cos4A - cos4B into product.

Here, cos4A - cos4B = 2 sin(2A + 2B). sin(2B - .....

9. If cosA = 1/2, find the value of cos2A.

We know, Cos2A = 2 cos2A  - 1            = 2 (1/2)2 -1            = 1/2 -1           = - .....

10.

Here, the equation of boundary line is       x/a + y/b = 1 or, x/(5/2) + y/(-5) = 1 or, 2x - y = 5. Possible inequalities are 2x - y ≤ 5  .............(i) & 2x - y ≥ 5.................(ii). Taking testing .....

11. Write any two advantages of living in a village.

Two advantages of living in a village are: 1. People get to live in a peaceful environment. 2. There is no pollution in the .....

12. वाक्यसँग मिल्ने सही विभक्तिको जोडा मिलाऊ :

क                                    ख

बाघले                             पत्रिका छ ।

घरमा                             मृग समात्यो ।

धाराबाट                         कथा लेख ।

कलमले                          पानी आयो ।

हात्तीको                          पुच्छर छोटो हुन्छ ।

क                                 ख बाघले —————      मृग .....

13. Write the name of sense organs given in figure.

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14. Write down the beginning letter of:

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15. If you are from a village, write a short description of your village.

I am from a small village. The village is so beautiful. People are mostly farmers in my village. My village has many facilities like health, education, road and so on. I love my .....

16. Tick the correct option.


 
Good habit             
Bad habit  

Good habit        Bad habit ✔     .....

17. If x = sin(360 + y), what is the value of x?

Herr, x = siny is the required .....

18. Write cosA in terms of sinA/2 & cosA/2.

We know, CosA = 2cos2A/2 - 1 = 1 - 2 sin2A/2 is the required .....

19. What is fission?

The division of an organism into new organisms is called .....

20. Change the numbers into words and words into numbers.
 
Numbers Words   
  Six
  Two
3  
9  
  One

Numbers Words  .....

21. Write any two:
 
Big plants   Medium plants   Small plants
     
                       

 

Big plants Medium plants Small plants Apple tree Rose plant Cabbage plant Mango tree Coffee plant Cauliflower .....

22. How do you develop mutual cooperation and harmony?
 

I can develop mutual cooperation and harmony by equally respecting different languages, costumes and rituals. Mutual cooperation and harmony may also be developed by equally respecting each .....

23. Fill in the blanks.

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24. Tick ( √ ) the odd one.

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25. Look at the picture and write the name.


T __ __ __

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26. Look at the pictures and write their names.

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27. कोठाबाट बाह्रखरी लागेका शब्द छानेर वाक्यहरू पुरा गर्नुहोस् :

क) ........... मा फुल रोप । (गमला, जमरा)

ख) ........... बजाऊ । (गितार, चर)

ग) ........... आए । (साथी, आकार)

घ) ........... नाच्यो । (डाडु, मयूर)

ङ) ........... खाऊ । (ऐना, मकै)

क) गमला मा फुल रोप । ख) गितार बजाऊ । ग) साथी आए । घ) मयूर नाच्यो । ङ) मकै खाऊ .....

28. Write a expression to express the relation between cos3A & cosA.

Here, Cos3A = 4cos3A - 3cosA is the reqiured .....

29. Express cos2A in terms of sinA & cosA.

Cos2A =  cos2A - sin2A is the required .....

30. Write the numbers in words.
 
2        
3  
5  
7  
8  

2   .....

31. Look at the picture and write the name.


V __ l __ a __ __

V  i  l  l  a  g   .....

32. The environment is cleaner in which area; village or town?

.....

33. Express sin4A in terms of sin2A & cos2A.

Here, Sin4A = sin2(2A) = 2 sin2A .....

34. Express cosA in terms of cosA/3.

We know, cosA = 4cos3A/3 - 3 cosA/3 is the required .....

35. Express sinA in terms of sinA/3.

Here, SinA = 3 sinA/3 - 4 .....

36. Write cos2A in terms of tanA.

Cos2A = (1 - tan2A)/(1 + tan2A) is the required .....

37. तलका अक्षरहरूबाट महिनाका नाम लेखेर खाली ठाउँमा भर्नुहोस् :

क) वै            ______

ख) जे           ______

ग) अ           ______

घ) सा          ______

ङ) भ            ______

च) अ           ______

छ) का         ______

ज) म          ______

झ) पु          ______

ञ) मा         ______

ट) फा         ______

ठ) चै          ______

क) वैशाख ख) जेठ ग) असार घ) साउन ङ) भदौ च) असोज छ) कात्तिक ज) मंसिर झ) पुष ञ) माघ ट) फागुन ठ) .....

38. Write 'Living thing' or 'Non-living thing'.

             .....

39. Write the numbers from 1 to 10.
 
         
         

.....

40. Why should we wait for our turn in public places? Write any two reasons.

We should wait for a turn in public places because: 1. Waiting in a turn makes work faster. 2. Waiting in a turn will not disturb others in the .....

41. चित्र हेरी खाली ठाउँ भर :

(मा, को)

मा, .....

42. Match the following.

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43. Fill in the blanks:

1. Three miles _____too far to walk.
2. Five years _____the maximum sentence for that offense.
3. Ten dollars _____a high price to pay.
4. Ten dollars (i.e., dollar bills) _____scattered on the floor.
5. A lot of the pie _____disappeared.

1. Three miles is too far to walk. 2. Five years is the maximum sentence for that offense. 3. Ten dollars is a high price to pay. 4. Ten dollars (i.e., dollar bills) were scattered on the floor. 5. A lot of the pie has .....

44. Join the dots from 1 to 13 to make a building.

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45. Write tan3A  in terms of tanA.

Here, Tan3A = (3tanA - tan3A)/(1 - 3 tan2A) is the required .....

46. Write Cos2A in terms of cosA.

Cos2A = 2Cos2A - 1 is the required .....

47. What should you do if there is a crowd in a tap?

If there is a crowd in a tap, I should wait for my turn in the queue. I should not keep my pots before .....

48. वाक्य मिलाएर राख :

पात हल्यो हावा चल्यो त्यसपछि ।

हावा चल्यो त्यसपछि पात हल्यो .....

49. नमिल्ने शब्द छान :

खाना खानुहुन्छ दाजु । (पदक्रम)

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50. चित्र हेरी वाक्य पुरा गर्नुहोस् :

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