CHSL 21 26-05-2022 Shift 3


Question 1

In an examination, the average marks of 60 girls is 15 and the average marks of 40 boys is 30. The average marks of the group in which the boys and girls are taken together is:
एक परीक्षा में 60 लड़कियों के औसत अंक 15 हैं और 40 लड़कों के औसत अंक 30 हैं। जिस समूह में लड़के और लड़कियों को एक साथ रखा जाता है, उस समूह के औसत अंक _______हैं।

Options

A

15

15

B

24

24

C

60

60

D

21

21


Solution:

Correct Answer:

D

21

21


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