JayPatadiya wrote:
In how many years will Rs. 400 double itself?
1. Rs. 80 Earms an interest of Rs. 6 in 6 months.
2. An investment of Rs 200 for a year and Rs. 90 for 3 months earn a total interest of Rs. 20.
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Why 'A' is not the answer? Can someone pls explain.
