Question
The salaries of A, B and C are in the ratio 5 : 7 : 9.
If B’s salary is Rs. 7,000, what is the difference between A’s and C’s salaries?Solution
Let salaries be 5x, 7x, 9x. Given 7x = 7,000 ⇒ x = 1,000 A’s salary = 5x = 5,000 C’s salary = 9x = 9,000 Difference = 9,000 − 5,000 = 4,000
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