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Ravi borrowed rs 2000 at 2% per annum and rs 1000 at 5% per annum.he cleared his debt after 2 years after giving rs 2800 and a watch. What is the cost of the watch.

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eginarrayl	extPrincipal amount borrowed =Rs 2000\ 	extR=2\%  pa \ 	extT=2 yrs \ \ SI =fracPRT100\ \ =frac2000	imes2	imes2100=Rs 80\ \ 	extPrincipal amount borrowed again =Rs 1000\ 	extR=5\%\ 	extT=2 yrs\ \ SI=fracPRT100\ \ =frac1000	imes2	imes5100=Rs 100\ \ 	extTotal amount that he will have to return = Rs. 2000 + 1000 + 80 + 100 = Rs. 3180 \ 	extAmount repaid = Rs. 2800 \ 	extValue of the watch = Rs. 3180 -2800 = Rs. 380 endarray

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Deependra Verma

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