1. The compound interest earned by Suresh on a certain amount at the end of two years at the rate of 8 p.c.p.a. was Rs 1414.40. What was the total amount that Suresh got back at the end of two years in the form of principal plus interest earned?
2. The ratio of the present ages of a mother and daughter is 7 : 1. Four years ago the ratio of their ages was 19 : 1. What will be the mother’s age four years from now?
3. Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point?
4. 4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children can complete the same piece of work in 4 days. If 2 men, 4 women and 10 children work together, in how many days can the work be completed?
5. The speed of a boat when travelling downstream is 32 km/hr, whereas when travelling upstream it is 28 km/hr. What is the speed of the boat in still water?
6. What is the least number of completed years in which a sum of money put out at 12% per annum compound interest will become more than double?
7. A person bought 20 kg of rice at the rate of Rs.15.50 per kg and 60 kg at the rate of Rs.17.50 per kg. After mixing them, at what rate should he sell it to gain 25% profit?
8. If the perimeter of a circle is increased by 25% what will be the effect on its area?
9. A train running at a speed of 25ms–1 crosses a pole in 12 seconds less than the time it requires to cross a platform 1.5 times its length at the same speed. What is the length of the train?
10. If the digits of a two-digit number are interchanged, the number so obtained is greater than the original number by 36. If the sum of the two digits of the number is 10, what is the average of the original number and the number obtained by interchanging the digits?
- Rs 9414.40
- Rs 9914.40
- Rs 9014.40
- Rs 8914.40
- None of these
2. The ratio of the present ages of a mother and daughter is 7 : 1. Four years ago the ratio of their ages was 19 : 1. What will be the mother’s age four years from now?
- 42 years
- 38 years
- 46 years
- 36 years
- None of these
3. Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point?
- 5
- 8
- 12
- 3
- None of these
4. 4 men can complete a piece of work in 2 days. 4 women can complete the same piece of work in 4 days whereas 5 children can complete the same piece of work in 4 days. If 2 men, 4 women and 10 children work together, in how many days can the work be completed?
- 1 day
- 3 days
- 2 days
- 4 days
- None of these
5. The speed of a boat when travelling downstream is 32 km/hr, whereas when travelling upstream it is 28 km/hr. What is the speed of the boat in still water?
- 27 km/hr
- 29 km/hr
- 31 km/hr
- Cannot be determined
- None of these
6. What is the least number of completed years in which a sum of money put out at 12% per annum compound interest will become more than double?
- 4 years
- 6 years
- 7 years
- 8 years
- 9 years
7. A person bought 20 kg of rice at the rate of Rs.15.50 per kg and 60 kg at the rate of Rs.17.50 per kg. After mixing them, at what rate should he sell it to gain 25% profit?
- Rs.24.75
- Rs.21.25
- Rs.20.5
- Rs.18
- Rs.22.5
8. If the perimeter of a circle is increased by 25% what will be the effect on its area?
- 25% increase
- 50% increase
- 37.5% increase
- Can’t be determined
- None of these
9. A train running at a speed of 25ms–1 crosses a pole in 12 seconds less than the time it requires to cross a platform 1.5 times its length at the same speed. What is the length of the train?
- 120m
- 150m
- 200m
- 240m
- 250m
10. If the digits of a two-digit number are interchanged, the number so obtained is greater than the original number by 36. If the sum of the two digits of the number is 10, what is the average of the original number and the number obtained by interchanging the digits?
- 49.5
- 52
- 53.5
- 55
- 66
- 2
- 3
- 4
- 1
- 5
- 3
- 2
- 5
- 3
- 4