Question

Ages of Ronith and Rohit are in the ratio 4:6. Seven years from now the ratio will be 5:7.find their present age.

Answer 1

Answer:

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Answer 2

Answer:

Given :-

• Age of Ronith and Rohit are in ratio 4:6
• After 7 years the ratio become 5:7

To Find :-

Present Ages of both

Solution :-

Let us assume present ages of Ronith and Rohit he 4x and 6x.

After 7 years

4x + 7/6x + 7 = 5/7

By Cross Multiplication

7(4x + 7) = 5(6x + 7)

28x + 49 = 30x + 35

30x - 28x = 49 - 35

2x = 14

x = 14/2

x = 7

Present age's are :-

$\large \sf \: Ronith = 4(7) = 28 \: years$

$\large \sf \: Rohit = 6(7) = 42 \: years$