If a sum of money becomes Rs. 4000 in 2 years and Rs. 5500 in 4 years…

Question

If a sum of money becomes Rs. 4000 in 2 years and Rs. 5500 in 4 years 6 months at the same rate of simple interest per annum. Then the rate of simple interest is = ?

Accepted Answer

Option A. 213/7 %. Answer & Solution Answer: Option A Solution: & S .I . of 2 .5 years & = 5500 - 4000 & = 1500 & S .I . of 2 years & = 15002.5 × 2 & = 1200 & So, Principal & = 4000 - SI of 2 years & Principal = 4000 - 1200 & Principal = 2800 & r\% = 12002800 × 2 × 100 & \,\,\,\,\,\,\,\, = 213/7\%