Question

152 ICSE Understanding Mathematics - VII
percent increase?
the price of the shirt.
6. A school team won o games this year against games won last
7. The price of a shirt decreased from 0 to 60 find the percentage of
8. My mother says, in her childhood petrol was 1 per litre. It is 65 per
9. Rate of basmati rice last year was 40 a kg. This year they are costly by
10. 300 students took an exam. 289. failed. Calculate the number of studies
1. Out of 15000 voters in a constituency, 60% voted. Find the number of
12. 20% of length of a flagpole is painted green, 45% is painted yellow
remaining red. If the length of the pole is 18 m, what length of it is painted
13. Chalk contains 10% calcium, 3% carbon, 12 oxygen and the remains
Find the amount of carbon and calcium in grams) in 2 kg of chalk. As
15. Mohini save 400 from her salary. If this is 10% of her salary, then what is
17. In an examination, a student has to secure 45% marks to pass the exam. Ita
+
By what percentage has the prices of petrol gone up?
is the price this year?
passed the exam
did not vote.
the amount of sand (in kg).
14. Find the whole quantity if:
(1) 25% of it is 9
(ii) 75% of it is 15
(in) 12% of it is 1050
(iv) S% of it is 40 litres
salary?
16. 16% of the apples in a basket go bad. If there are 42 good apples in the baskes
the total number of apples in the basket.
21
251 marks and failed by 19 marks, what are the maximum marks?
18. On a rainy day, 94% of the students were present in a school. If the number
students absent on that day was 174, find the total strength of the school
19. 40% of the population of a town are men and 39% are women. If the number
children is 12600, find the number of men.
20. If the price of a watch is increased by 15%, the increase in the price is
was the price of watch earlier?
21. (1) Find the number which when increased by 30% becomes 39.
(ii) Find the number which when decreased by 8% becomes 506
22. The price of a shirt is reduced by 7% to 465. What is its original price?
PROFIT AND LOSS
A shopkeeper (dealer or retailer) buys his goods (articles) from a manufactur
wholesale dealer (distributor) and then he sells them to a customer. If he sells ha
at a higher price than he paid for them he makes a profit (pain). If for some​

Answer 1

Answer:

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