The product of Sumeet's age five years ago and his age nine years later is 15. Determine Sumeet;s age 3 years from present.
A
6
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B
9
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C
3
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D
None
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Solution
The correct option is A9 Let presen age of Sumeet = x 5 years ago SUmeet age = x-5 9 years later Sumeet' s age = x+9 (x−5)(x+9)=15 x2+4x−45=15 (x+10)(x−6)=0 x=6 3 years from present Sumeet's age =x+3 =6+3 = 9 years