Question
The salary of a person is increased by Rs. 500. If his old
salary was 25% less than his new salary, then his old salary was:Solution
ATQ,
Let the new salary of the person be Rs. '100x'
So, old salary of the person = 100x × 0.75 = Rs. '75x'
So, 100x - 75x = 500
So, 25x = 500
So, x = 20
So, old salary of the person = 20 × 75 = Rs. 1,500
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