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If the cost of a calculator worth Rs 250 is increased by Rs 100, the rate of increase is

Option 1)

30 %

Option 2)

40%

Option 3)

25%

Option 4)

none

Option 5)

100%

Answers (1)

best_answer

The cost of a calculator worth Rs 250 is increased by Rs 100, the rate of increase is:

$\left ( \frac{100}{250} \right )\times 100=40\, ^{0}/_{0}$

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