Aptitude Question Papers

191. Two vessels A and B contain milk and water mixed in the ratio 5 : 3 and 2 : 3. When these mixtures are mixed to form a new mixture containing half milk and half water, they must be taken in the ratio :

192. The ratio of Vimal�s age and Aruna�s age is 3:5 and sum of their ages is 80 years. The ratio of their ages after 10 years will be:

193. The length of a plot is four times its breadth. A playground measuring 1200 square metres occupies a third of the total area of the plot. What is the lengthof the plot in metres?

194. of a number subtracted from of the number gives 12. The number is:

195. The average of numbers 0.64204, 0.64203,0.64202 and 0.64201 is :

196. A grocer buys two kind of rice at Rs. 1.80 and Rs. 1.20 per kg, respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 1.75 per kg., 25% may be gained ?

197.If 2A=3B=4C then A:B:C is:

198. A and B can do a piece of work in 18 days; B can C in 24 days; A and C in 36 days. In what time can they do it all working together?

199. A man invested of his capital at 7%; at 8% and remainder at 10%. If his annual income is Rs. 561, the capital is:

200. A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work ?