CHSL 21 27-05-2022 Shift 1


Question 1

As air is pumped into a spherical balloon, its radius increases from 7 cm to 14 cm. Find the ratio of volume of the balloon's in both circumstances.
जैसे ही हवा एक गोलाकार गुब्बारे में भरी जाती है, इसकी त्रिज्या 7 cm से बढ़कर 14 cm हो जाती है। दोनों परिस्थितियों में गुब्बारे का आयतन अनुपात ज्ञात कीजिए।

Options

A

1 : 8

1 : 8

B

3 : 7

3 : 7

C

1 : 9

1 : 9

D

2 : 5

2 : 5


Solution:

Correct Answer:

A

1 : 8

1 : 8


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