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5 yr ago, the average age of Rashmi and Surbhi was 20 yr, Now, the average age of Rashmi, Surbhi and Meeta is 30 yr. What will be the age of Meeta after 15 yr. ?
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- 35 yr
- 55 yr
- 39 yr
- 67 yr
- None of the above
Correct Option: B
Total age of Rashmi and Surbhi (5 yr ago) 20 x 2 = 40 yr.
Total age of Rashmi and Surbhi (at present) = 40 + 5 + 5 = 50 yr.
Total age of Rashmi, Surbhi and Meeta (at present) = 30 x 3 = 90 yr.
∴ Present age of Meeta = 90 - 50 = 40 yr.
∴ Age of meeta after 15yr. = 40 + 15 = 55 yr.
