Determine the value of the investment after the 7 -year period. Convert an interest rate of \( 10 \% \) p.a. compounded quarterly to an annual effective interest rate.

14. A laptop and a mobile phone were bought for \( ₹ 40000 \) and \( ₹ 24000 \) respectively. The shopkeeper made a profit of \( 8 \% \) on laptop and a loss of \( 12 \% \) on mobile phone. Find she loss percent on the whole transaction.

अरविन्द ने एक धनराशि 1 जनवरी, 2012 को बेंक में \( 8 \% \) वार्षिक साधारण ब्याज की दर से निवेश की, उसे 3,144 की धनराशि 7 अगस्त, 2012 को बैंक से प्राप्त हुई। उसने कितनी धनराशि बेंक में निवेश की थी?

Nidhi deposited ₹ 7,500 in a bank which pays her \( 4 \% \) interest per annul compounded annually. Find the amount and the interest received by her aft three years.

\( * 22 \) Un commerçant achète 80 kg de poisson à 325 Fle kilogramme. II revend le kg de poisson 450 F. mais par suite de la chaleur il doit vendre les 30 der - niers kilogrammes 110 F seulement. Calculez: a) Le prix d'achat du poisson: b) Le prix de vente total de ce poisson: c) Le bénéfice réalisé ou la perte subie.

At what price each must he sell the remaining chairs so as to gain \( 10 \% \) on the whole deal? 16. A shopkeeper sold two electronic gadgets for \( ₹ 44000 \) each. The shopkeeper made a loss of \( 12 \% \) on one and a profit of \( 10 \% \) on the other. Find his overall gain or loss. (Hint. Find C.P. of each)