A borrowed 4800 from B at 9% per annum simple interest for 3 yr. He, then added some more money to the borrowed sum and lent it to C for the same period at 12% per annum simple interest. If A gains 720 in the whole transaction, how much money did he add from his side ?

A borrowed 4800 from B at 9% per annum simple interest for 3 yr. He,

1.	A borrowed 4800 from B at 9% per annum simple interest for 3 yr. He, then added some more money to the borrowed sum and lent it to C for the same period at 12% per annum simple interest. If A gains 720 in the whole transaction, how much money did he add from his side ?
A.	500
B.	740
C.	640
D.	800
Answer» E.

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A borrowed 4800 from B at 9% per annum simple interest for 3 yr. He, then added some more money to the borrowed sum and lent it to C for the same period at 12% per annum simple interest. If A gains 720 in the whole transaction, how much money did he add from his side ?

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