Aptitude Question Papers

211. A sum of Rs. 12000 deposited at compound interest becomes double after 5 years. After 20 years it will become

212. How many times do the hands of a clock coincide in a day ?

213. If book bought at prices ranging from Rs. 200 to Rs. 350 are sold a prices ranging from Rs. 300 to Rs. 425, what is the greatest possible profit that might be made in selling 8 books?

214. Out of the ratios 7 : 15, 15 : 23, 17 : 25 and 21 : 29, the smallest one is :

215. If one-fifth of a number decreased by 5 is 5, then the number is:

216. A jar full of whisky contains 40% of alcohol. A of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26. The quantity of whisky replaced is :

217. A car covers four successive three km stretches at speeds of 10km/hr, 20 km/hr, 30 km/hr respectively. Its average speed over this distance is:

218. Speed of a boat in standing water is 6 km/hr and the speed of the stream is 1.5 km/hr A man rows to a place at a distance of 22.5 km and comes back to the starting point. The total time taken by him :

219. The difference between the compound interest and the simple in interest on a certain sum at 5% per annum for 2 years is Rs. 1.50. The sum is:

220. Ram travels a certain distance at 3km/hr and reaches 15min. lat. If he travels at 4km/hr, he reaches 15min. earlier. The distance he has to travel is: