Aptitude Question Papers

171. At a certain rate of simple interest, a certain sum doubles itself in 10 years. It will treble itself in:

172. The sun of the ages of a mother and a daughter is 50 years. Also 5 years ago the mother�s age was 7 times the age of the daughter. The present ages of the mother and the daughter respectively are:

173. 12 men or 18 women can reap a field in 14 days. The number of days that 8 men and 16 women will take to reap it, is:

174.The value of machine depreciates every year at the rate at108 on its value at the beginning of that year. If the present value of the machine is Rs. 729, its worth 3 years ago was:

175. A man sold a radio for Rs 1980 and gained 10%. The radio was bought for:

176.If A:B=5:7 and B:C = 6:11, then A:B:C is:

177. A and B can together finish a work in 30 days. They worked for it for 20 days and then B left. The remaining work was done by A alone in 20 more days. A alone can finish the work in:

178. The compound interest on a certain sum of money for 2 years at 10% per annum is RS. 420. The simple interest on the same sum at the same rate and for the same time will be:

179. A train leaves Meerut at 6 a.m. and reaches Delhi at 10 a.m. Another train leaves Delhi at 8 a.m. and reaches Meerut at 11.30 a.m. At what time do the two train cross one another:

180.If A:B=2:3, B:C = 4:5 and c:D = 6:7, then A:D is equal to: