Paper 1 · Mathematical Reasoning and Aptitude
UGC NET June 2024 Re-Exam (04.09.2024) Shift-II
A single discount equivalent to three successive discounts of 15%, 20% and 40% on the marked price of an article is:
A75%
B40.8%
C59.2% ✓ Correct
D67.5%
Correct answer: (C) 59.2% — The single equivalent discount is 59.2 percent, so that is the answer.
Explanation
★The single equivalent discount is 59.2 percent, so that is the answer.
★After 15, 20 and 40 percent, the remaining fractions are 0.85, 0.80 and 0.60.
★Their product is 0.408.
★So 40.8 percent of the price remains.
★The discount is 100 minus 40.8, which is 59.2 percent.
★Hence 59.2 percent is correct.
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