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The price of an item is increased successively by 20%, 10% and 5% and then decreased by 40%. If its final price is ₹415.80, then what was i…

3009Medium DSSSB TGT Computer Science 0 replies

The price of an item is increased successively by 20%, 10% and 5% and then decreased by 40%. If its final price is ₹415.80, then what was its initial price?

A₹480
B₹520
C₹500
D₹550

Correct answer: C

Explanation

Final price = initial × 1.2 × 1.1 × 1.05 × 0.6 = 0.8316 × initial. So initial = 415.80 / 0.8316 = ₹500.

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