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 :

Rakesh Yadav • 4.99K Points
Extraordinary Math

Q. 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 :

(A) 19 years
(B) 12 years 2 months
(C) 17 years
(D) 10 years 6 months

Correct Answer - Option(C)

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Previous MCQ Next MCQ

Discusssion

Be the first to start discuss.

Related MCQs on Math

Q. The average age of 24 students in a class is 10. If the teacher’s age is included, the average...

Q. Cost of 7000 bricks is Rs. 5740. cost of luggage to carry the bricks to the building place is Rs. 80...

Q. How much percent above the cost price should a shopkeeper marks his goods so as to earn a profit of ...

Q. A and B can complete a piece of work in 8 days, B and C can do it in 12 days, C and A can do it in 8...

Q. A man can row upstream at 12 km/hr and downstream at 18 km/hr. The man’s rowing speed in still...

Q. The present age of Sanyal is 3 times the present age of his son. Six years hence, the ratio of their...

Q. If the price of the product is increased by 20% and then decreased by 10%, the change in its price w...

Q. A, B, C start running at the same time and at the same point in the same direction in a circular sta...

Q. Two numbers are in the ratio 3 : 4. the product of their HCF and LCM is 2028. the sum of the number ...

Q. Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat...

Learn All Math MCQs

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.