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What will be the ratio of the numbers which have a difference of 56 and the first number is 2/9 of the second?
Question

What will be the ratio of the numbers which have a difference of 56 and the first number is 2/9 of the second?

A.

14 ∶ 56

B.

15 ∶ 56

C.

2 : 9

D.

16 ∶ 81

Correct option is C

Given
Difference between numbers = 56
First number = 29 \frac{2}{9}​ of Second number

Solution
Let the second number be y.
Then the first number x = 29y. \frac{2}{9}y.​​
Given difference: y - x = 56
y29y=56y - \frac{2}{9}y = 56​​

79y=56 y=56×97=8×9=72 x=29×72=16 \frac{7}{9}y = 56\\\ \\y = \frac{56 \times 9}{7} = 8 \times 9 = 72\\\ \\x = \frac{2}{9} \times 72 = 16\\\ \\​​
Ratio of numbers (x : y) = 16 : 72
Divide by 8:

2 : 9

Final Answer
So the correct answer is (c)

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