Students and Teachers Forum

1. Match the pictures with their names.

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2. Match the items with the rooms.

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3. चित्र हेरी खाली ठाउँमा पहिलो अक्षर लेख्नुहोस् :

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4. Match the following.

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5. If the lines 3x +my = 5 and x2  +   y3   = 1 are parallel to each other, find the value of m.

Here, given equation of lines are; 3x +my = 5..............(i) and  x2 +   y3  = 1 ..............(ii) Slope of line (i) ; m1= - .....

6. What are indicators?

Indicators are chemical compounds which determine the acidic or basic nature of a substance by a characteristic change in their .....

7. What is a shadow?

Shadow is a dark patch formed when light rays are obstructed by an opaque .....

8. Label the body parts.

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9. Which three of the features of an ideal constitution do you think are most important? Explain your choice.

The following three features of an ideal constitution can be considered most important: a. Respect for public wish An ideal constitution is always prepared according to the public wish. It is formulated with widest .....

10. सही उत्तर छान :

सिंहको पर्यायवाची शब्द ................ हो । (शेर, चितुवा)

सिंहको पर्यायवाची शब्द शेर हो .....

11. Write an algebraic expression for the following.

Two-third of a number is multiplied by the difference of x and y.

Here, We have to multiply the difference of x and y with two-third of a number but the number is not given. So, let us suppose the number be 'a'.  Let the number be a. Now, let us find two-third of the number .....

12. Prove that straight line passing through the points (3, -4) and (-2, 6) and the straight line having equation 2x +y+3=0 are parallel.

Here, slope of line passing through (3, -4) and (-2, 6). m1 = y2-  y1x2-  x1      = 6+4-2-3      = 10-5      = -2. Slope of line having equation 2x+y +3 = 0 m2 = .....

13. Why do we need air ?

We need air to .....

14. If cost price is Rs. 204 and selling price is Rs. 288 then, find the gain percent.

Given,  Cost price = CP = Rs.204 Selling price = SP = Rs.288 Here, SP > CP So,  Gain = SP - CP          = Rs. 288 - Rs. 204          = Rs.84 Finally , Gain % =GainCP× 100%  .....

15. Why does a hot air balloon need air ?

A hot air balloon needs air to .....

16. Why does a plant need air ?

A plant needs air to .....

17. Write any difference between H and H2. 

The difference between H and H2 is that, H means one atom of Hydrogen while H2 means one molecule of .....

18. A shopkeeper loses 5% by selling a watch for Rs.1140. For how much must be sell lit to gain 5%.

Given, SP of the watch = Rs.1140. Loss% = 5% We know, SP = CP - Loss% of CP or, Rs.1140 = CP -5100× CP or, CP =  Rs.1140×2019              = Rs, 1200 Now, when gain is 5% .  SP = .....

19. List out any three bad habits.

The three examples of bad habits are: i)   Drinking alcohol ii)  Smoking iii) Taking .....

20. चित्र हेरी खाली ठाउँ भर :

(भित्र, बाहिर) ‘विपरीतार्थी शब्द’

भैंसी भित्र छ । भैंसीभन्दा पाडो बाहिर छ .....

21. What is a parallel combination?

If the electric loads are connected to two common points such that the current is divided through each of them, then the combination is called a parallel .....

22. What is a product made from milk are called? It also keeps our bones and teeth strong. 

Dairy .....

23. If the cost of 1 bigaha land is Rs. 40,000, find the cost of:

  a) 1 kattha                     b) 4 dhur

Here, the cost of 1 bigaha = Rs. 40,000 the cost of 20 kattha = Rs. 40,000 Then, a) the cost of 1 kattha = Rs. 4000020                                     .....

24. The marked price of a watch is Rs 750. If the shopkeeper gives some discount and sells it for Rs 600 , find the discount percent.

Here, Marked price, MP = Rs. 750. Selling price, SP = Rs. 600. We know,   Discount percent = MP - SPMP × 100%                                  .....

25. Name an harmful insect that sucks blood living creatures.  

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26.
Using Cramer's rule, solve the following equations 3x - 2y = 8 and 5x + 3y = 7.

Here, we have given 3x - 2y = 8 5x + 3y = 7 Now, D = 3     -25      3  = 3 ⨯ 3 - (-2) 5 = .....

27. Match the following.

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28. Gambling destroys

The two examples of damages due to gambling are: i)  Loss of wealth ii) Loss of .....

29. Solve by cramer's rule: 2/x - 4/y = 1 =6/x + 4/y.

Here, we have given  2/x - 4/y = 1 = 6/x + 4/y. Taking 1st and 2nd ratios, 2/x - 4/y = 1.............(i) Taking 2nd and 3rd ratios, 6/x + 4/y = 1.......(ii) Now, D = .....

30. A function F is defined from A to B. What type of function is F?

Many to One .....

31. Match the following.

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32. Match the general names of animals with their scientific names.

General Name                             Scientific Name 
Elephant                                      Hinocerotidae
Zebra                                           Ovis arie
Rhino                                           Bos taurus
Sheep                                           Equus quagga
Cow                                             Loxodonta

General Name                           Scientific Name Elephant                 ----              .....

33. A shopkeeper buys a watch for Rs. 350 and sells it for Rs. 378. Find his profit percent.

Here, CP of the watch = Rs. 350 SP of the watch = Rs. 378 Now, Profit = SP - CP           = Rs. 378 - Rs. 350           = Rs. 28 So, Profit percent =ProfitCP × 100%       .....

34. वाक्य बनाऊ :

नाचिन्

केटीहरू छमछम नाचिन् .....

35. Identity with reason, whether the following expressions are polynomials or not.

 ∛ a - a2 + a

Solution: Here, we have to find whether the algebraic expression 2x3    -  1x2  + 3x   + 1 is polynomial or not. We know that an algebraic expression is a polynomial when the powers of the variables are only .....

36. सही उत्तर छान :

फुलको पर्यायवाची  शब्द ............... हो । (पुष्प, आँखा)

फुलको पर्यायवाची शब्द पुष्प हो .....

37. How many hundreds, tens and ones are there in the number 420?
 

There are 4 hundreds, 2 tens and 0 ones in the number .....

38. These leaves help to control diabetes, gum disease, liver problems, etc.It is rich in vitamin E. Name it.

 

Neem .....

39. Label the body parts.

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40. आँगन (चन्द्रबिन्दु लागेको शब्द)

आँगनमा भाइ खेल्दै छ .....

41. If two straight  lines  px +qy + r =0 and lx-my+n=0 are perpendicular to each other, show that : pl=gm.
 

Given equation of lines are;        px+qy+r=0............ (i ) and        lx-my+n=0............ (ii ) Slope of line (i ) ; m1 = .....

42. What is hit and trail method? 

Hit and trail method is the process of assigning the coefficient in the reactants and products to obtain the balanced chemical equation in the skeletal .....

43. Classify the following polynomials according to the number of terms:
20 + 40x2 - x3 - 3x

Solution: Here, We have to classify the polynomial 20 + 40x2 - x3 - 3x according to its number of terms.  As we know,  (i) Monomial is a polynomial having only one term.  (ii) Binomial is a polynomial having 2 terms.  (iii) .....

44. Solve the system with two variables by Cramer’s Rule:  5x+y=-13 & 3x-2y=0.

Thus, x = -2 & y = .....

45. How can Eleanor Roosevelt be an ideal source of inspiration for Nepalese women and for men as well?

Eleanor Roosevelt was one of the many American women with little opportunities. She was left orphans by the early death of her parents and was grown up by her grandparents. She also had low self-esteem and .....

46. Why do we need to develop a habit of working?
 

We need to develop a habit of working because working makes us dear and .....

47. Solve by Cramer’s Rule the system with two variables   -2x+3y=-3 and 3x-4y=5.

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48. Look at the picture and write the name of the occupation.

(Tailor, Shopkeeper, Cobbler)

    Cobbler  .....

49. Match the following.

i.    School                to borrow books
ii.   Chautara             to send letters
iii.  Health-post         to study
iv.   Post office          to rest
v.    Library               to treat the sick people

i.    School                 to study ii.   Chautara             to rest iii.  Health-post         to treat the sick .....

50. Answer the following questions.

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