AP Police Constable 2017 Mains Previous Year Paper (22-Jan-2017)

75 kgs of rice is required for 20 students for 18 days. After 6 days two students left. The time in days for which the remaining rice is sufficient for the remaining students, is

A is 50% more efficient than B. A and B together can complete a work in 12 days. The number of days needed for B alone to complete the work is

The speed of a boat in still water is 8 km/hour and the speed of the stream is 2 km/hour. If the boat travels from A to B and then returns in 12 hours, then the distance between A and B (in kms) is

The average of first fourteen numbers in an ordered set of thirty numbers is 9 and the average of the last fourteen numbers in the set is 5. If the sixteenth number is 7 and the average of the thirty numbers is 7 then the fifteenth number is

The costs of two varieties of rice are Rs. 27 per kg and Rs. 35 per kg respectively. If they are mixed and sold at Rs. 36 per kg to get 20% profit, then the ratio in which the two varieties are mixed is