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CUET
General Test
Numerical Ability
Ratios
If A : B is 7 : 4 and A - B = 9, then what is the value of A + B?
21
23
40
33
Given, A : B = 7 : 4
Then, the difference of the ratio: 3R = 9 (given)
R = 3
The sum of the ratio i.e. A + B = 11 x 3 = 33