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E:\Working\Focus_Learning\Math_Genius-7_(12-11-2024)\Open_File\10_Chapter\10_Chapter
\ 28-Jan-2025 Surender Prajapati Proof-6 Reader’s Sign _______________________ Date __________

C. Match the following.

Chapter assessment Column A Column B
(a) 3 : 5 into % (i) 250%

(b) 2.5 into % (ii) `160
1
(c) 6 % (iii) 60%
4
(d) SP when CP = `50 and loss = 6% (iv) 25%

1
(e) Profit % when CP = `40 and SP = `50 (v)
16
Interest when principal = `800, Rate of interest
(f) = 10% per annum, and period = 2 years (vi) `47

D. Fill in the blanks.

1. 2 = ___________%.
25

1
2. 5 % =
4 400
3. Profit and loss of an item is calculated on ___________.

4. 45% of 225 is equal to ___________.
5. Amount = ___________ + Interest.
E. Answer the following.

1. In a garden, 12% of the plants are rose plants. If the total number of plants in the garden is 250, find
the number of other types of plants in the garden.
2. Shweta got 99 per cent marks in Science, 76 per cent marks in Maths, 61 per cent in Hindi, 84 per
cent in Social Science, and 95 per cent in English. If each subject carries 100 marks, then find the
aggregate percentage of marks obtained by Shweta in all subjects.

3. If the profit made on a box of pencils is `8 and the S.P. of the box of pencils is `48, find the profit
percentage.

4. The price of sugar rises by 20%. By how much percent should a householder reduce his consumption
of sugar so as not to increase his expenditure on sugar?
5. Moksha bought 1200 bananas at `60 per dozen. 50 bananas got spoiled. Out of the remaining, she
sold 600 of them at `5.50 per banana and the remaining at 2 for `12. Find her gain or loss percentage.

6. In how many years will `2400 amount to `3120 at 12% per annum?
7. What principal will amount to `8806 in 146 days at 9% per annum?

8. If the sum of money doubles itself in 6 years, then find the rate of interest.
1
9. Calculate the simple interest on `10240 at 12 % per annum for 9 months.
2
10. In a train coach, 84% of the seats are filled and 32 seats are empty. How many seats are there in the
train coach?

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