Question

In a class, 30% of the boys play football, 40% of the remaining play cricket and the remaining 21
boys play different other games. How many boys are there in the class ?
किसी कक्षा में 30% लड़के फुटबाल खेलते है शेष बचे लड़को में 40% लड़के क्रिकेट खेलते है और शेष 21
लडके दूसरे खेल खेलते है कक्षा में कुल कितने लड़के है?
(1)50
(2) 100
(3)48
(4)96
(5) None of these
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Answer 1

Answer:fygyg

Step-by-step explanation:

65g7 get gg

Answer 2

Answer:

As given

In a class 30 % of the boys play football,40% of the remaining play cricket and the remaining 21 boys play different games.

As the percentage is always be 100 % .

Thus

Percentage of boys playing differents games = (100 - Percentage of boys play football - Percentage of boys plays cricket)%

= (100 - 30 - 40)%

= (100-70)%

= 30 %

Thus Percentage of boys playing differents games = 30 %

Percentage = 30 %

Part value = 21

30 = \frac{21\times 100}{Total\ value}

Total\ value =\frac{2100}{30}

Total\ value =70

Therefore the total number of boys in the class are 70