Sun	Mon	Tue	Wed	Thu	Fri	Sat
23	24	25	26	27	28	1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

3 years ago the average age of a family of 5 persons was 27 years On the addition of a child t...........

Math and Mental Ability Average

3 years ago, the average age of a family of 5 persons was 27 years. On the addition of a child, the present average age is still 27years. Find the present age of the child.

16 years

12 years

24 years

20 years

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Explanation:

3 years ago,
The total age of 5 members = 5 × 27 =135 years
At Present, total age of 5 members = 135 + 15 = 150 years
At Present, the total age of 6 members = 6 × 27 =162 years.
So the age of the child = 162 – 150 = 12 years.

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