Mathematics
NULL
Medium
Question
How much more does Rs.20000 earn in two years at 20% p.a. CI half-yearly than at 20% p.a. CI yearly?
A
Rs.482
✓ Official correct answer
B
Rs.424
C
Rs.842
D
Rs.512
Community credibility
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A
Rs.482
No member explanations yet for this option.
B
Rs.424
No member explanations yet for this option.
C
Rs.842
No member explanations yet for this option.
D
Rs.512
No member explanations yet for this option.
Explanation
Yearly amount = 20000 × (1.2)² = 28800. Half-yearly = 20000 × (1.1)⁴ = 29282. Difference = Rs.482.