A person borrows Rs. 7000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 p.a for 2 years. Find his gain in the transaction per year. Answers.
A) 100 rs B) 150 rs C) 140 rs D) 180 rs E) 200 rs
Gain in 2 years =   [(7000*6*2)/100]-[(7000*4*2)/100]    840-560= 
<gadget id="calculator"> 840-560</gadget>
<output>280</output>
280   Gain in 1 year=(280/2)= 
<gadget id="calculator">(280/2)</gadget>
<output>140</output>
140 rs   ANSWER:140 rs
<result>C</result>
A person borrows Rs. 7000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 p.a for 2 years. Find his gain in the transaction per year.