Rajeev' age after 15 years will be 5 times his age 5 years back . What is the present age of Rajeev ?  Answers:
A) 8 years  B) 10 years  C) 12 years  D) 14 years  E) 16 years
Explanation :   Dol. Let Rajeev's presen age be xx years , Then   Rajeev's ae after 15 years = (x+15)(x+15)years   Rajeev's age 5 years back = (xâˆ’5)(x-5) years   âˆ´âˆ´ x+15=5(xâˆ’5)x+15=5(x-5)   â‡” x+15=5xâˆ’25â‡” x+15=5x-25   â‡” 4x=40â‡” 4x=40   â‡” x=10â‡” x=10   Hence , Rajeev's present age = 10 years.   ANSWER IS 10 years
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Rajeev' age after 15 years will be 5 times his age 5 years back . What is the present age of Rajeev ?