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THE RATIO OF FATHER AND SON …

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THE RATIO OF FATHER AND SON IS 5 : 9 AFTER 13 YEARS IT WILL BE 7:10 WHAT WILL BE THE PRESENT AGE

Posted by Divyanshu Bailwal 5 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Tishya Jha 5 years, 1 month ago

Let their age be 5x and 9x Thus, (5x+ 13)/(9x+13)= 7/10 cross multiplication:- (5x+13)*10= (9x+13)*7 =>50x +130 = 63x+91 =>130-91=63x-50x =>39=13x => x= 39/13 => x= 3 Therefore, The ages of father and son are (5*3=)15 and (9*3=)27 Ans:- 15 and 27

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CBSE > Class 09 > Mathematics