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man age was five times his son age 5 years ago will be 3 times his son age after 3 years ratio of their ages |
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Answer» ong>Step-by-step explanation: According to the first condition 5 years LATER father will be (X+5) years OLD and son will be (y+5) years old. ⇒x+5=3(y+5) ⇒x+5=3y+15⇒x=3y+10....eq1 According to the second condition 5 years ago father was (x−5) years old and son was (y−5) years old. ⇒x−5=7(y−5) ⇒x−5=7y−35 ⇒x−7y=−30....eq2 Put the value of x from eq1 ⇒3y+10−7y=−30⇒−4y=−40⇒y=10 Put y=10 in eq1 ⇒x=3×10+10=40
Hence, Father present age =40 years Son present age =10 years BY TEJAS KULKARNI PLEASE FOLLOW AND MARK AS BRAINLIST |
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