Question

The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?

A) 55 B) 77 C) 70 D) 96

Answer 1

Answer:

Rangana: 77

Stayed:55

Answer 2

Answer:

The answer is 77

Step-by-step explanation:

let the ratios of the age be 7x and 5x

rangana's age = 7x

sayed's age = 5x

after 11 years rangana's age will be 7x + 11 and

sayed's age will be 5x + 11...

the ratio of ages after 11 years is = 4 : 3

rangana's age = 4x

sayed's age = 3x

i.e. 7x + 11 : 5x + 11 = 4 : 3

3(7x + 11) = 4(5x + 11)

21x + 33 = 20x + 44

21x - 20x = 44 - 33

x = 11

Therefore, the present age of

Rangana is 7x = 7 x 11

= 77.

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