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

Step-by-step explanation:

The age of Rahul and Rohit are in the ratio of 3:7 respectively. After 5 years, the ratio of their age will be 1:2. What is the difference of their ages?

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Vaibhav

Answered 2 years ago

You have to consider a common multiple for ratios. Let's consider 'x'.

Today's ages :

Rahul - 3x

Rohit - 7x

After 5 years :

( Just add 5 in today's ages)

Rahul - 3x+5

Rohit - 7x+5

Apply the condition. i.e after 5 years ratio will be 1:2.

(3x+5 / 7x+5) = (1/2)

Solve the equation and you will get,

x = 5

Now, put the value of x in today's ages,

Rahul = 3 × 5 = 15 years

Rohit = 7×5 = 35 years

Finally, calculate the difference,

35 - 15 = 20 years

Ans. The difference between their ages is

20 years

Answer 2

Step-by-step explanation:

Initial ratio 4x/6x

4x+7÷6x+7=5÷7

cross multiply

28x+49=30x+35

2x=14

x=7

Present ages are 28 and 49

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