Mathematics
NULL
Medium
Question
A watch marked Rs 720 sold for Rs 550.80 after two successive discounts, the first 10%. What was the second discount rate?
A
0.12
B
0.14
C
0.15
✓ Official correct answer
D
0.18
Community credibility
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A
0.12
No member explanations yet for this option.
B
0.14
No member explanations yet for this option.
C
0.15
No member explanations yet for this option.
D
0.18
No member explanations yet for this option.
Explanation
After 10% off: Rs 648; 550.80/648 = 0.85 → second discount = 15% (0.15).