Question

1. Find the whole quantity if
(i) 25% of it is 9
(ii) 75% of it is 15
(iii) 12% of it is 1080
(iv) 8% of it is 40 litres

2. Mohini save 3400 from her salary. If this is 10% of her salary, then what is her salary?

3. 16% of the apples in a basket go bad. If there are 42 good apples in the basket, find the total number of apples in the basket.
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Answer 1

Answer:

sorry

Step-by-step explanation:

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Answer 2

Answer:

1. (i) Let the whole quantity = x

=> 25% × x = 9

=> 25/100 × x = 9

=> x = 9×100/25

=> x = 36

(ii) Let the whole quantity = x

=> 75% × x = 15

=> 75/100 × x = 15

=> x = 15×100/75

=> x = 20

(iii) Let the whole quantity = x

=> 12% × x = 1080

=> 12/100 × x = 1080

=> x = 1080×100/12

=> x = 9000

(iv) Let the whole quantity = x

=> 8% × x = 40 litres

=> 8/100 × x = 40

=> x = 40×100/8

=> x = 500 litres

2. Let his salary = x

=> 10% × x = 3400

=> 10/100 × x = 3400

=> x = 3400×100/10

=> x = 34,000

So, his salary is ₹ 34,000

3. Let total apples = x

bad apples = 16/100 of x

good apples = 42

ATQ,

16/100 × x + 42 = x

42 = x - 16x/100

42 = 100x - 16x / 100

42 = 84x / 100

42×100/84 = x

50 = x

x = 50

So, Total Apples is 50

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