Answer: A Purchasing capacity = Rs 160. A reduction of 20% means, now a person gets 5/2 kg for Rs 32 and this is the present price of that commodity. Present price per kg = 32/5 * 2 = Rs 12.8 Let the original price be Rs x, then new price is arrived after reduction of 20% on it. x* 0.8 = 12.8 x= Rs 16.
Q. No. 9:
A manufactures offers a 20% rebate on the marked price of a product. The retailer offers another 30% rebate on the reduced price. The two reductions are equal to a single reduction of
Answer: C Let the quantity of water added be x Then, (x+48) * 25/100 = 48 => x= 144.
Q. No. 11:
A cycle agent buys 30 bicycle, of which 8 are first grade and the rest are second grade, for Rs 3150. Find at what price he must sell the first grade bicycle so that if he sells the second grade bicycle at three quarters of the price, he may make a profit of 40% on his outlay?
Answer: D 8x+2y = 3150 Let he sells A grade cycle at a rate of Rs x per bicycle, then 8x + 22*3/4 (x) = 3150 * 1.4 98 x = 17640 x= 180. He should sell the first grade bicycle at a rate of Rs 180.
Q. No. 12:
On selling a pen at 5% loss and a book at 15% gain, Karim gains Rs 7. I he sells the pen at 5% gain, and the book at 10% gain, then he gains Rs 13. The actual price of the book is
Answer: A Let the CP of the pen and the book be Rs x and Rs y respectively. 0.95x + 11.5y = (x+y) +7 0.15y - 0.05x = 7 ...................(1) and 1.05x+1.1y = (x+y)+13 0.05x+0.1y =13.......................(2) Solving equation 1 and 2 we get, y=80.