The average age of a class of 60 boys which is 11.9 years is raised to 12 years by coming of a new boy the age of the new boy is?
Correct answer C. 18 years
Tip: press A, B, C or D to answer, and N for the next question.
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More Age Questions questions
See allThe average expenditure of a man for the first 7 months is Rs. 130 and for the next 5 months is Rs. 140. He withdraws a sum of Rs.110 from his bank. His average monthly earning is?
Correct answer A. Rs. 125
The average weight of 20 students in a class is decreased by 500 grams when one of the students who weights 40 kg is replaced by a new boy. The weight of the new boy is?
Correct answer C. 30 kg
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The average age of 6 men is increased by 3 years when two of them whose ages are 25 and 27 years are replaced by two men. The average age of two newcomers is?
Correct answer D. 35 years
There were 40 members in a certain hostel. If 10 members are more admitted the expenses of the mess was increased by Rs. 50 per month while the average expenditure per head diminished by Rs.3. The original monthly expenses are?
Correct answer B. Rs.800
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