Students and Teachers Forum

1. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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2. Find the value of tan 120°.

Here,      tan 120° = tan (180 - 60)°                     = - tan 60°; since we know, tan (180° - θ) = - tan θ           .....

3. Find the length of a given line.

The length of a given line is 3 .....

4. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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5. How many tens and ones are there in the given figure?

There are 3 tens and 2 ones in the given .....

6. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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7. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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8. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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9. चित्र हेरी ठिक शब्दमा ठिक चिह्न लगाउनुहोस् :

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10. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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11. चित्र हेरी सही शब्दमा ठीक चिह्न लगाउनुहोस् । 

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12. चित्र हेरी ठिक शब्दमा ठिक चिह्न लगाउनुहोस् :

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13. चित्र हेरी ठिक शब्दमा ठिक चिह्न लगाउनुहोस् :

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14. Nepal has been divided into development regions. List out any two major purposes of such division.

Our country has been divided into five development regions.  The major two purposes are listed below: a)    For smooth administration of the country through decentralization. b)    For speedy, competitive and .....

15. Group the foods as healthy or unhealthy.


 
Healthy Food  Unhealthy Food 




 		  

Healthy .....

16. संयुक्त अक्षरको प्रयोग गरेर चित्रको नाम पुरा गर्नुहोस् ।

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17. Match the following.

Mechanic                   teaches students  
Engineer                     treats sick people
Electrician                  repairs vehicles 
Doctor                        designs the building 
Teacher                       connects lights

Mechanic-----------repairs vehicles Engineer------------designs the building  Electrician----------connects lights Doctor---------------treats sick people Teacher--------------teaches .....

18. संयुक्त अक्षरको प्रयोग गरेर चित्रको नाम पुरा गर्नुहोस् ।

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19. संयुक्त अक्षरको प्रयोग गरेर चित्रको नाम पुरा गर्नुहोस् । 

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20. Match the pictures with the sense organs.

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21. तल दिइएका अक्षरहरू मिलाएर शब्दहरू बनाउनुहोस् :

१. छाना २. माना ३. नाना ४. दाना ५. .....

22. शब्द छुट्याऊ :

केटो फुर्तिलो छ तर स्कुल ढिलो पुग्छ । (संयोजक शब्द छान ।)

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23. दिइएका अक्षरहरू मिलाएर बन्ने शब्दहरू लेख्नुहोस् । 

१. झिङ्गा २. ढुङ्गा ३. चङ्गा ४. पुछ्नु ५. .....

24. दिइएका अक्षरहरू मिलाएर बन्ने शब्दहरू लेख्नुहोस् । 

१. मुसुक्क २. भुसुक्क ३. बुरुक्क ४. नक्कल ५. .....

25. Trace the following shapes.

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26. दिइएका अक्षरहरू मिलाएर बन्ने शब्दहरू लेख्नुहोस् । 

१. किन् २. भन् ३. पकवान् ४. चिन् ५. .....

27. दिइएका अक्षरहरू मिलाएर बन्ने शब्दहरू लेख्नुहोस् । 

१. आँप २. आँगन ३. आँखा ४. आँचल ५. .....

28. तल दिइएका अक्षरहरू मिलाएर शब्दहरू बनाउनुहोस् :

१. थाल २. जाल ३. दाल ४. छाल ५. .....

29. Find the value of tan 240°.

Here, tan (240)° = tan (180 + 60)°               = tan 60°;     [since we know tan (180° + θ) = tan θ.]               = .....

30. Find the value of sec 150°.

Here,       sec 150° = sec (180 - 30)°                      = - sec 30°; since we know, sec (180° - θ) = - sec θ           .....

31. Write main features of silk thread.

The main features of silk thread are as follows:

  i)  Silk is shiny, attractive, light and durable fibre.  ii)  It is strong, long and elastic fibre.  iii) It can be coloured .....

32. If sec 5θ = cosec (θ - 36°), where 5θ is an acute angle, find the value of θ.

Here,      sec 5θ = cosecc (θ - 36°) ⇒ cosec (90° - 5θ) = cosec(θ - 36°), [Since sec θ = csc (90° - θ)] ⇒ (90° - 5θ) = (θ - 36°) ⇒ -5θ - .....

33. Write 'Y' for yes and 'N' for no for the given sentences.

i.    We should respect elders.                                          ______

ii.   We should not love youngsters.                                  ______

iii.  We should not help friends.                                       ______

iv.   We should be kind to needy people.                           ______

v.    We should help blind people to cross the road.         ______

i.   We should respect elders.                                            Y ii.  We should not love youngsters.    .....

34. Join each pair of the following sentences by means of a suitable Conjunction. 

1.    Shila is an honest girl. She is very poor.(but)

2.    I read the poem twice. I did not understand.(but)

3.    I was with my parents. I was happy.(as long as)

4.    It is raining. He stayed home.(since)

5.    He was ill. He went to the doctor.(as)
 

1. Shila is an honest girl but is very poor. 2. I read the poem twice but didn’t understand. 3. As long as I was with my parents, I was happy. 4. Since it is raining, he stayed home. 5. As he was ill, he went to the .....

35. Evaluate: Sin36o - cos36o.

Here, Sin36o - cos36o =Sin36o - cos(90 -54o) = Sin36o - sin54o   Using the formula of SinC - SinD, we get = 2Cos(36+54)/2.Sin(36-54)/2 = 2 cos45. sin(-9o) = 2 x 1/√2 (-sin9o) = .....

36. Evaluate: sin100o sin 120o sin 140o sin160o.

Here,

sin100o sin 120o sin 140o sin160o.  = sin(180o - 80o) sin(180o - 60o)  sin (180o - 40o) o sin(180o - 40o)   = sin20o sin40o sin .....

37. चित्रमा रङ भर्नुहोस् :

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38. Enlist any three sources of soil pollution. Excessive use of chemical fertilizers is the major cause of soil pollution. Justify this statement.

The three sources of soil pollution are: 1. Excessive use of pesticides. 2. Use of chemical fertilizers. 3. Domestic wastes. The soil is polluted due to the addition of various unwanted chemicals in the soil. The chemical fertilizers contain various .....

39. Give reason:
I. Water is used to cool the engine of vehicles.
II. A new quilt is felt warmer than old one.
 

I. Water has very high specific heat capacity (4200 J/kg°C) as compared to other liquids. The substances which have more specific heat capacity change their temperature slowly. Thus, water can absorb large amount of heat from the hot engines .....

40. Without using trigonometric tables, evaluate sin 35° sin 55° - cos 35° cos 55°.

Here,       sin 35° sin 55° - cos 35° cos 55°    = sin 35° sin (90° - 35°) - cos 35° cos (90° - 35°),    = sin 35° cos 35° - cos 35° sin 35°,  .....

41. Write any five winter clothes.
 
Winter clothes
 
 
 
 
 

Winter clothes Gloves    .....

42. खाली ठाउँमा मिल्ने शब्द भरेर वाक्य पुरा गर्नुहोस् :

_______ गन । (रकम, भजन)

रकम गन .....

43. Complete the given multiplication with carrying:

   15× 2

 
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44. Complete the given multiplication with carrying:

   28× 5

    28×  .....

45. खाली ठाउँमा मिल्ने शब्द भरेर वाक्य पुरा गर्नुहोस् :

__________ गन । (कलकल, कटहर)

कटहर गन .....

46. What are the four different ways of mobilizing the resources for development?

Resources are the requisites to development. The resources such as natural, economic and human resources are the valuable assets for carrying out each and every development work. The development of a society or a .....

47. Prove that: sin(90+A).cos(180-A).tan(180-A) = sin2(90+A).cot(90-A).
 

Here,   LHS = sin(90+A).cos(180-A).tan(180-A)            = cosA.(-cosA).(-tanA)            = cos2A.tanA RHS =  .....

48. धर्को तानेर चित्रसँग मिल्ने वाक्यको जोडा मिलाउनुहोस् :

धर्को तानेर चित्रसँग मिल्ने वाक्यको जोडा मिलाऊ .....

49. चित्रभित्र तिन अक्षर लागेका पाँच वटा शब्दहरू लेख्नुहोस् :

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50. Find the value of sec 210°.

Here,        sec (210)° = sec (180 + 30)°                         = - sec 30°; since we know sec (180° + θ) = - sec θ     .....