DSSSB Delhi Post Graduate Teacher Sociology Paper 2014 on Arithmetical & Numerical Ability
DSSSB – PGT – Sociology – 2014 – Arithmetical and Numerical Ability | |
1. | A man walked diagonally across a square lot. Approximately, what was the precent saved by not walking along the edges?
(a) 20 (b) 24 (c) 30 (d) 33 |
2. | The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is
(a) 35 years (b) 40 years (c) 50 years (d) None of the these |
3. | The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is
(a) 3 (b) 4 (c) 5 (d) 6 |
4. | A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man’s eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60°. What is the distance between the base of the tower and the point P ?
(a) 43 units (b) 8 units (c) 12 units (d) Data inadequate |
5. | The smallest 3 digit prime number is
(a) 101 (b) 103 (c) 109 (d) 113 |
6. | Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A:B.
(a) 2 : 3 (b) 1 : 1 (c) 3 : 4 (d) 4 : 3 |
7. | How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?
(a) 5 (b) 10 (c) 15 (d) 20 |
8. | Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?
(a) 1 hour (b) 2 hour (c) 6 hour (d) 8 hour |
9. | In a lottery, there are 10 prize and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
(a) 1/10 (b) 2/5 (c) 2/7 (d) 5/7 |
10. | The sum of the present ages of a father and his son is 60 years. Six years ago, father’s age was five times the age of the son. After 6 years, son’s age will be
(a) 12 years (b) 14 years (c) 18 years (d) 20 years |
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