The simple interest on a certain sum of money for 2 years at per annum

1.	The simple interest on a certain sum of money for 2 years at per annum is Rs 1680 . Find the amount and the compound interest on the same sum, at the same rate and for the same time, compounded annually....please friends help me fast so i could submit my teacher online . and i will mark you as a brainlist.
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The simple interest on a certain sum of money for 2 years at per annum is Rs 1680 . Find the amount and the compound interest on the same sum, at the same rate and for the same time, compounded annually....please friends help me fast so i could submit my teacher online . and i will mark you as a brainlist.

Answer»

Step-by-step EXPLANATION: