The salaries of A, B and C are in the ratio 1 : 3 : 4. If the salaries are increased by 5%, 10% and 15% respectively. then the increased salaries will be in the ratio?

A) 20: 66: 95

B) 21: 66: 95

C) 21: 66: 92

D) None of these

Let A’s Salary = Rs. 100
Then, B’s Salary = Rs. 300
And, C’s Salary = Rs. 400
Salary has given in 1 : 3 : 4 ratio
Now,
5% increase in A’s Salary,
A’s new Salary = (100 + 5% of 100) = Rs. 105
B’s Salary increases by 10%, Then,
B’s new Salary = (300 + 10% of 300) = Rs. 330
C’s Salary increases by 15%,
C’s new Salary = (400 + 15% of 400) = Rs. 460
Then, ratio of increased Salary,
A : B : C = 105 : 330 : 460 = 21 : 66 : 92

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