Math MCQ: From a class of 42 boys, a boy aged 10 year goes away and in his place. Iff on account of this change, the average age of the boys in that class increases by 2 month, the age of the newcomer is :

From a class of 42 boys, a boy aged 10 year goes away and in his place. Iff on account of this change, the average age of the boys in that class increases by 2 month, the age of the newcomer is :

Correct Answer: 17 years

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WhatsApp+91 99922 70404Math MCQ: From a class of 42 boys, a boy aged 10 year goes away and in his place. Iff on account of this change, the average age of the boys in that class increases by 2 month, the age of the newcomer is : | Extra Education