(1) Sum of the present ages of Ram and Raju is 31. 3 years ago Ram's a

1.	(1) Sum of the present ages of Ram and Raju is 31. 3 years ago Ram's age was 4 timesthe age of Raju. Find their present ages.
Answer» Let present age of ram and raju be x and y respectively.x + y = 31.......(1)Three year ago,(x-3) = 4×(y - 3)x - 3 = 4y - 12x - 4y = -9.......(2) Eq(1) - Eq(2)5y = 40y = 8So, x = 31 - 8 = 23

(1) Sum of the present ages of Ram and Raju is 31. 3 years ago Ram's age was 4 timesthe age of Raju. Find their present ages.

Answer»

Let present age of ram and raju be x and y respectively.x + y = 31.......(1)Three year ago,(x-3) = 4×(y - 3)x - 3 = 4y - 12x - 4y = -9.......(2)

Eq(1) - Eq(2)5y = 40y = 8So, x = 31 - 8 = 23