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The respective ratio between the present...

The respective ratio between the present ages of son, mother, father and grandfather is 2:7:8:12 . The average age of son and mother is 27 yr. What will be mother's age after 7 yr ?

A

40 yr

B

41 yr

C

48 yr

D

49 yr

Text Solution

Verified by Experts

The correct Answer is:
D
Total age of son and mother
`2x+7x=2xx27`
`9x=54`
`x=6`
`therefore ` Mother's age after 7 yrs `=7x+7=7xx6+7=49` yr
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