Students and Teacher's Forum

Students and Teachers Forum

1. If x and (x + 20°) are complementary angles, find the angles.

Since the sum of two complementary angles is 90°, x + (x + 20°) = 90° or, x + x + 20° = 90° or, 2x = 90° - 20° or, x = 70°2 ∴ x .....

2. Count the pictures and tick the correct number.

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3. Convert the following as indicated:

5000 ml into l

5000 ml = 50001000 l = 5 .....

4. Write an algebraic expression for the following.

7 more than 2 times a number.

Here, We have to add 7 from 2 times a number but the number is not given. So, let us suppose the number to be 'x'. Let the number be x. Now, let us find 2 times a number x. Two times of x = 2x. Since, we have to add 7 .....

5. Reduce the following ratios into their lowest terms.

1400 gm:14 kg

Here, we have a ratio 1400 gm:14 kg. We have been asked to reduce it in their lowest terms. At first let us write down given information: Given, 1400 gm:14 kg We can also write, 1400 gm: 14000 gm Let us write it on fraction, = (1400 .....

6. If p, b and h are the sides of a right angled triangle then write p in terms of b and h.

Solution: Using Pythagoras theorem, h2= p2 +b2 p = √(h2 -b2 .....

7. Find profit or loss:

C.P. = Rs. 160, S.P. = Rs. 180

Given, C.P. = Rs. 160 S.P. = Rs. 180 ∴ Profit = S.P. - C.P. = Rs. 180 - Rs. 160 = Rs. .....

8. Match the following:

Nwaran Rajbanshi people
Siruwa Far-western region
Deuda Naming ceremony of a baby
Newar Celebrates Maghi
Tharu Perform belbibaha

Nwaran--------------------------------------------Naming ceremony of a baby Siruwa---------------------------------------------Rajbanshi people Deuda---------------------------------------------Far-western .....

9. A solution of a substance ‘X’ is used for white washing.
(i) Name the substance ‘X’ and write its formula.
(ii) Write the reaction of the substance ‘X’ named in (i) above with water.
(i) The substance ‘X’ is calcium oxide. Its chemical formula is CaO.
(ii) Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime).

CaO (s) + H2O (l) → Ca(OH)2 (aq) Calcium Oxide (Quick Lime) + Water → Calcium Hydroxide (Slaked .....

10.

Underline the suitable verbs in the following sentences.

1. We have met him in Japan.

2. Where were going when I met you?

3. Are you making a trip to Pokhara next week?

4. She has not come yet.

5. I am writing a note.

6. Amar has done the work.

7. They will be there in a minute.

8. Would you lend me your book?

9. Can you close the window?

10. Did you visit zoo last holiday?

1. We have met him in Japan. .....

11. Complete the following sentence with suitable question tag.

1.   Parshuram played handball yesterday.
2.   Sumana and Sushma are going school.
3.   She didn't do anything.
4.   Sunil could have bought a new car.
5.   He will come tonight.

1. Parshuram played handball yesterday, didn't he? 2. Sumana and Sushma are going school, aren't they? 3. She didn't do anything, did she? 4. Sunil .....

12. Discuss the fact that there is a high prospect of large Scale industries too. (Think about vast natural resources, potential of hydroelectricity, huge remittance inflow, unemployed people and market in India, China and the further world.)

There is high prospect of large-scale industries in Nepal for the following reasons. a. Nepal is very diverse in nature and there are many types of raw materials needed for large-scale industries are also being produced in agriculture .....

13. Convert the following as indicated:

4350 ml into l and ml

4350 ml = 4000 ml + 350 ml = 4l .....

14.

Change the forms of the following main verbs.

Present plural(V¹)	Past(V²)	Past participle(V³)	Present Participle(V⁴)	Present Singular(V⁵)
steal throw breed bite bind

Present plural(V1) .....

15. Express following percentage into fraction and reduce them into their lower term.

75%

Here, we have been given a percentage. We have been asked to express into lower term of fraction. At first let us write down given information: Given, 75% To express percentage in fraction, we should divide percentage by 100 and remove % .....

16. Fill in the blanks with correct form of the adjective in brackets (comparative or superlative).

1. Jay was the __________ player of the two.(good)

2. An ant is __________ than a cockroach.(small)

3. Your room is __________ than mine.(cold)

4. You are more __________ than your brother.(helpful)

5. This bird can fly the __________.(high)

1. Jay was the better player of the .....

17. What is duplet state?

The state of an atom in which the outermost shell of the atom has the capacity to fill only two electrons is called duplet .....

18. What is static electricity?

The electricity due to the collection of charge on a body is called static .....

19. Underline the adjective in the following sentence and write their types next to it.

1. She bought a thick book.

2. Whose cat is this?

3. These are my clothes.

4. Every child was awarded.

5. You do not need many clothes to go there.

Types of .....

20. Identify each type of sentence and write its type:

Types of sentences: Affirmative, Imperative, Exclamatory, Interrogative, Negative

1. What a pretty face!

2. She will come.

3. Let him complete his task.

4. Kamana played the piano.

5. Radhika was not well.

Types of sentences

21. Count the pictures and write the correct number.

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22. Write the comparative and superlative forms of the following adjectives.

Positive	Comparative	Superlative
1. dry	___________	___________
2. cheap	___________	___________
3. sweet	___________	___________
4. young	___________	___________
5. wet	___________	___________
6. fine	___________	___________

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23. Count the pictures and tick the correct number.

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24. What do you mean by custom?

Customs may be defined as a way of behaving in a society or in a community during particular events. It is a social practice that has long been followed in .....

25. Write a dialogue on ‘electricity: a good servant but a bad master.’

(Two friends Sanjita and Ranjita are talking about the good and bad of electricity. Here is the main part of their conversation.) Sanjita: Friend, electricity is a miracle of modern science, isn’t it? Ranjita: Of course. Electricity is a .....

26. Convert the following as indicated:

16 l into ml

16 l = 16 × 1000ml = 16000 .....

27. Write down from 1 to 6.

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28. Count the pictures and write the correct number.

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29. Describe how the chemical reaction is affected by heat, light and electricity?

Heat supplied gives energy to the molecules of the reactants and makes them collide to each other to bring about chemical reaction. Examples are: CaCO3 CaO .....

30. A man earns Rs. 85,791 from January to March and Rs. 85,684 from April to June. What is his total earnings in the 6 months?

Money earned from January to March = Rs. 85,791 Money earned from April to June = Rs. 85,684 Now, Total money earned = 85,791 + 85,684 1,71,475 Hence, the man earned Rs. 1,71,475 in 6 .....

31. Define physical change with examples.

A physical change is a temporary change in which only the physical state or appearance of the substance changes and no new substances are formed. For example: Melting of ice, evaporation of water etc. Physical Change Chemical .....

32. Define chemical reaction. What are the types of chemical reaction.

The process by which a chemical change takes place by addition, decomposition or displacement of the atoms or molecules of the matter into new substances is called chemical reaction. The types of chemical reactions are: i) .....

33. Write down from 6 to 10.

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34. What is regeneration?

The process in which a parent body breaks into two or more fragments and each fragment develops into a new individual is called .....

35. Match the animals and their uses.

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36. What is meant by metal?

Metals are the elements which form positive ions by losing .....

37. What is the currency of Nepal?

Nepalese .....

38. Find the total surface area of the given cuboid.
Length (l) = 14 cm breadth (b) = 7 cm height (h) = 3 cm

Solution: Length of the cuboid (l) = 14 cm Breadth of the cuboid (b)= 7 cm Height of the cuboid (h) = 3 cm We know, Total surface area of cuboid (T.S.A) = 2 (lb + lh + bh) .....

39. कोष्ठकमा दिइएका धातु र सङ्केतका आधारमा खाली ठाउँ भर्नुहोस् :
क) कवि डाक्टर विशेष्यले कवितामा नै कुरा ................ । (गर्: पूर्ण भूत)
ख) हरि खनाल चन्द्रमामा ................ । (जाः पूर्ण भविष्यत्)
ग) बगैँचामा फूलहरू ................ । (फुल्: पूर्ण वर्तमान)
घ) भाइ कक्षा आठमा प्रथम ................। (हु: पूर्ण भूत)

क) कवि डाक्टर विशेष्यले कवितामा नै कुरा गरेका थिए । ख) हरि खनाल चन्द्रमामा गएको हुनेछ । ग) .....

40. Fill in the blank with appropriate connective:

1. They climbed the mountain ___ it was very windy.
2. Make hay ____ the sun shines.
3. We will visit Pokhara __ Mustang during the vacation.
4. Let us wait here ___ the rain stops.
5. Both Alina ____ Maya come.

1. They climbed the mountain although it was very windy. 2. Make hay while the sun shines. 3. We will visit Pokhara or Mustang during the vacation. 4. Let us wait here until the rain stops. 5. Both Alina and Maya .....

41.

Add the suitable articles ’a’, ‘an’ or ‘the’ in the following.

__ intelligent	__ dog
__ elephant	__ cat
__ apple	__ Ramayan
__ Pacific Ocean	__ Times
__ first building	__ cinema

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42. Add the following.

1,64,398
2,43,676
+ 4,23,789

1,64,398 2,43,676 + 4,23,789 .....

43. Why are criminal activities increasing in Nepal from the southern border? List the reasons.

This is true to say that the criminal activities are increasing in Nepal from the southern border. The reasons behind this are mentioned in the points below. a. Due to the open border, the criminal-minded people commit crimes and .....

44. Add the following.

17,231
36,465
+ 29,832

17,231 36,465 + 29,832 .....

45. Balance the following chemical equations.
(i) HNO₃ + Ca(OH)₂ → Ca(NO3)₂ + H₂O
(ii) NaOH + H₂SO₄ → Na₂SO₄ + H₂O
(iii) NaCl + AgNO₃ → AgCl + NaNO₃
(iv) BaCl₂ + H₂SO₄ → BaSO₄ + HCl

(i) 2HNO3 + Ca(OH)2 → Ca(NO3)2 + 2H2O (ii) 2NaOH + H2SO4 → Na2SO4 + 2H2O (iii) NaCl + AgNO3 → AgCl + NaNO3 (iv) BaCl2 + H2SO4 → BaSO4 + .....

46. Tick (✓) the longer one.

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47. If j→ is unit vector along the y-axis, what is the value of j²→ ?

We know, j→ = (0, 1). So, j2 = → j→ .j→ = (0, 1).(0, 1) = 0 + 1 = .....

48. Fill in the blank with correct plural verb:

1. The protestors _______making noise.
2. Rajani and Hansika ______ coming.
3. Both the brothers ______kind.
4. Those apples ______sweet.
5. Some of the houses ______destroyed by the earthquake.

1. The protestors are making noise. 2. Rajani and Hansika are coming. 3. Both the brothers are kind. 4. Those apples are sweet. 5. Some of the houses were destroyed by the .....

49. Which is the main festival for Hindus?

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50. Add the following.

43,883
36,423
+ 13,136

43,883 36,423 + 13,136 .....