Siddharth wants to borrow Rs.9000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction? Options: A) s.21.60 B) s.32.40 C) s.21.18 D) s.21.98 E) s.21.29
Amount of money Siddharth borrowed at S.I at 6% p.a. for two years = Rs.9,000   He lend the same amount for C.I at 6% p.a. for two years.   =&gt; Siddharth's income = C.I - S.I   = p[1 + r/ 100]n - p - pnr/100   = p{ [1 + r/ 100]2 - 1 - nr/100   = 9,000{ [1 + 6/100]2 - 1 - 12/100}   = 9,000 {(1.06)2- 1 - 0.12} = 9,000(1.1236 - 1 - 0.12)   = 9,000 (0.0036) = 9 * 3.6   = Rs.32.40   Answer: s.32.40
<result>B</result>
Siddharth wants to borrow Rs.9000 at rate of interest 6% p.a. at S.I and lend the same amount at C.I at same rate of interest for two years. What would be his income in the above transaction?