CHSL 21 09-06-2022 Shift 3


Question 1

A few boys and a few girls appeared for a test. The average score of the boys was 52, the average score of the girls was 72, while the combined average was 60. What was the ratio of the number of boys to the number of girls who took the test?
कुछ लड़कों और लड़कियों ने एक परीक्षा में भाग लिया। लड़कों का औसत स्कोर 52 था, लड़कियों का औसत स्कोर 72 था, जबकि उनका संयुक्त औसत 60 था। परीक्षार्थी लड़कों की संख्या और परीक्षार्थी लड़कियों की संख्या का अनुपात ज्ञात कीजिए।

Options

A

13 : 18

13 : 18

B

3 : 2

3 : 2

C

2 : 3 

2 : 3 

D

18 : 13

18 : 13


Solution:

Correct Answer:

B

3 : 2

 3 : 2


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