1. If ₹ 80 amounts to ₹ 140 in 4 years, what will ₹ 96 amount to in 10 years at the same rate of interest per annum?
2. A certain sum of money was deposited in a bank and it became two forld in 10 years. What is the rate of simple interest?
3. Gold and copper are as heavy as water by 19 and 9 times respectively. The ratio in which these two metals be mixed so that the mixture is 17 times as heavy as water is :
4. In an office, 1/3 of the workers are Men, 1/2 of the men are married and 1/3 of the married men have children. If 2/4 of the women are married and 2/3 of the married women have children, then the part of workers without children is :
5. There are two urns. One contains two white balls and four red balls, the other contains three white and nine red balls. All balls are of the same shape and size. From each urn, one ball is drawn. What is the probability of getting both balls of the same colour?
6. A box contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar the probability that it is green is 2/3. The number of blue balls in the jar is:
7. The Banker’s discount on a sum of money for 18 months is ₹ 600 and the true discount on the same sum for 3 years is ₹ 750. The rate of percentage is
8. Population of a city is 2,96,000 out of which 1, 66,000 are males. 50% population is literate. If 70% males are literate, then the number of women who are literate is
9. A clock was set correct at 12 O’ clock. It loses 10 minutes per hour. What will be the angle between the hour and minute hands of the clock after one hour?
10. Diagonals of a rhombus are 1 metre and 1.5 metre in lengths. The area of the rhombus is:
11. An angle in a semi circle is :
12. A rod of 2 cm diameter and 30 cm length is converted into a wire of 3 metre length of uniform thickness. The diameter of the wire is:
13. Two straight poles of unequal length stand upright on a ground. The length of the shorter pole is 10 meters. A pole joins the top of the two vertical poles. The distance between the two tops is 5 meters. The distance between the poles along the ground is 4 metre. The area thus formed by the three poles with the ground is:
14. Aground 100 × 80 in2 has two cross roads in its middle. The road parallel to the length is 5 metre wide and the other road is 4 metre wide, both roads are perpendicular to each other. The cost of laying the bricks at the rate of ₹ 10 per m2 , on the roads, will be:
15. If the volume of a sphere is divided by its surface are, we obtain 27 cm. The radius of the sphere is
16. Age of father 10 years ago was three times the age of his son. After 10 years, father’s age is twice that of his son. The ratio of their present ages is that of his son, the ratio of their present ages is
17. A piece of cloths ₹ 75. If the piece is four meters longer and each meter costs ₹ 5 less, the cost remains unchanged. What is the length of the piece?
18. The sum of ages of a mother and daughter is 45 years. Five years ago, the product of their ages was four times the mother’s age at that time. The present age of the mother is
19. A garden is rectangular in shape. A sum of ₹ 1,000 was spent to make the land usable at the rate of 25 paisa per m2 . The breadth of the garden is 50 m. If the length of the garden is increased by 20m, what will be the expenditure in rupees for making the land usable, at the same rate per m2?
20. Today is Monday in a leap year. The day after 68 days will be
