दो कक्षाओं M तथा N के औसत अंक क्रमशः 25 ...

दो कक्षाओं M तथा N के औसत अंक क्रमशः 25 तथा 40 हैं, और प्राप्त समग्र औसत 30 है। कक्षा M और N के छात्रों का अनुपात है

A

`2 : 1 `

B

`2 : 5`

C

`5 : 2 `

D

`3 : 4`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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