Arithmeticmedium · Past Paper
If SI on Rs. X at R% for T years is Rs. 100, then SI on Rs. 2X at R/2% for 2T years is:
ARs. 100
BRs. 200
CRs. 400
DRs. 50
✓ Correct Answer: B — Rs. 200
New SI = (2P * T * 2 * R/2) / 100 = 2 * (PTR/100) = 2 * 100 = 200.
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