CHSL 21 26-05-2022 Shift 3


Question 1

15 identical solid spherical balls of radius 5 cm are melted to form a single sphere. In this process, 35% of the mass is wasted. What is the radius (in cm) of the single sphere that is now formed? [Use π = 22/7, and give your answer correct to two decimal places.]
5 cm त्रिज्या की 15 एक जैसी ठोस गोलाकार गेंदों को पिघलाकर एक बड़ा गोला बनाया जाता है। इस प्रक्रिया में 35% ठोस बर्बाद हो जाता है। निर्मित बड़े गोले की त्रिज्या (cm में) ज्ञात कीजिए। (दशमलव के दो स्थान तक मान ज्ञात करें) [π=22/7 का प्रयोग कीजिए]

Options

A

12.68 cm

12.68 cm

B

34.68 cm

34.68 cm

C

16.68 cm

16.68 cm

D

10.68 cm

10.68 cm


Solution:

Correct Answer:

D

10.68 cm

10.68 cm


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