Phase X Graduation Level 03-08-2022


Question 1

In a school there are 15 boys and 10 girls in class X. The average age of the boys is 16, while the average age of the girls is 15. Find the average age of the students in the class.
एक स्कूल में कक्षा X में 15 लड़के और 10 लड़कियां हैं। लड़कों की औसत आयु 16 है, जबकि लड़कियों की औसत आयु 15 है। कक्षा में विद्यार्थियों की औसत आयु ज्ञात कीजिए।

Options

A

15.5

15.5

B

15.8

15.8

C

15.7

15.7

D

15.6

15.6


Solution:

Correct Answer:

D

15.6

15.6


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