1. The population of a town is 15000. If the number of males increases by 8% and that of females by 10%, then the population would increase to 16300. Find the number of females in the town? (4)
(1) 4000
(2) 6000
(3) 3000
(4) 5000
2. If Rs.5,000 become Rs.5,700 in a year’s time, what will Rs. 7,000 become at the end of 5 years at the same rate of simple interest? (2)
(1) Rs.10,500
(2) Rs.11,900
(3) Rs.12,700
(4) Rs.7,700
3. By what least number should 675 be multiplied to obtain a number which is a perfect cube? (3)
(1) 7
(2) 8
(3) 5
(4) 6
4. The least positive integer which is a perfect square and also divisible by each of 21, 36 and 66 is? (1)
(1) 213444
(2) 254016
(3) 156816
(4) 186624
5. A person travels 285 km in 6 hr. In the first part of the journey, he travels at 40km/hr by bus. In the second part, he travels at 55km/hr by train. The distance travelled by train is? (1)
(1) 165 km
(2) 615 km
(3) 561 km
(4) 156 km