Question
A smartphone is billed at Rs. 630 after two successive
reductions of x% and 30%, respectively. The sticker price is Rs. 1000. Find x.Solution
ATQ, 1000 × (0.7) × {(100 - x)/100} = 630 Or, 700 × (100 - x) = 63000 Or, 100 - x = 90 Or, x = 10
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