Question
A number becomes 135 after a 50% increase. What is 20% of that original number?
This question was previously asked in
OTET 2026 Social Studies Question Paper (5-Jul-2026)
The correct answer is
18
Let the original number be x. x × 1.5 = 135, so x = 90. 20% of 90 = 0.2 × 90 = 18. Hence option (B) is correct.
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