Find the selling price if the cost of a certain accessory is Rs 1520 . 4. The cost price of a certain novel is Rs 1,100 . Find selling price of the novel at \( 66 \% \) markup rate. 5. A Mobile Phone company uses a markup rate of \( 55 \% \) on the cost of each mobile phones that cost Rs 2,260 . Find the selling price of the mobile phone. A mobile phone company uses a \( 45 \% \) markup rate. Find the cost of a unit that sells for Rs 4785 . 7. The markup rate on the selling price of a calculator that is Rs 1,230 is \( 50 \% \). Find the cost price of the calculator. A stationer uses a markup of \( 60 \% \) on each item that he sells. Rs 144 . Find the cost price of the item.

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.

If the price of a television is \( 15,400 \mathrm{LE} \) after a \( 20 \% \) discount, what was the price before the discount? \( \begin{array}{ll}\text { (a) } 12,320 \mathrm{LE} & \text { (b) } 3,080 \mathrm{LE} \\ \text { (c) } 18,480 \mathrm{LE} & \text { (d) } 19,250 \mathrm{LE}\end{array} \)

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?

\( * 22 \) 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)