These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
A number is increased by 50% and then decreased by 40%. What is the net percentage change?
Question:
A number is increased by 50% and then decreased by 40%. What is the net percentage change?
A number is increased by 50% and then decreased by 40%. What is the net percentage change?
Options
Answer: (A) -10%
Explanation:
Let original = 100. After 50% increase: 150. After 40% decrease: 150 × 0.6 = 90. Net change = 90 - 100 = -10, so -10%.
Explanation:
Let original = 100. After 50% increase: 150. After 40% decrease: 150 × 0.6 = 90. Net change = 90 - 100 = -10, so -10%.
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