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A Man's Age Is 125%125% Of What It Was 1010 Years Ago, But 8313%8313% Of What It Will Be After 1010years. What Is His Present Age ? |
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Answer» LET the AGE before 1010 YEARS =x=x. Then, 125x100=x+10 ⇒125x=100x+1000 ⇒x=100025=40125x100=x+10 ⇒125x=100x+1000⇒x=100025=40 PRESENT age =x+10=40+10=50 Let the age before 1010 years =x=x. Then, 125x100=x+10 ⇒125x=100x+1000 ⇒x=100025=40125x100=x+10 ⇒125x=100x+1000⇒x=100025=40 Present age =x+10=40+10=50 |
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