**Q1. If the successive discount be 20%,10% and 5% then what will be the single equivalent discount?**

(a)30%

(b)31.6%

(c)32.4%

(d)25%

(e)None of these

**Q2. A man goes to a place on bicycle at speed of 16 kmph and comes back at lower speed. If the average speed is 6.4 kmph in total, then the return speed (in kmph) is ?**

(a)4

(b)6

(c)7

(d)7.5

(e)3

**Q3. The average of one hundred observations was calculated as 35. It was found later, that one of the observation was misread as 83 instead of 53. What is the correct average?**

(a)33.7

(b)34.2

(c)34.7

(d)34.8

(e)None of these

**Q4. When a bicycle manufacturer reduced its selling price by 50%, the number of bicycles sold radically increased by 600%. Initially the manufacturer was getting only 140% profit. What is the percentage increase of his profit?**

(a)20%

(b)30%

(c)10%

(d)No profit no loss

(e)None of these

**Q5. A sum of money is accumulating at compound interest at a certain rate of interest. If simple interest instead of compound were reckoned, the interest for the first two years would be diminished by Rs. 20 and that for the first three years by Rs. 61. Find the sum.**

(a)Rs. 6000

(b)Rs. 8000

(c)Rs. 7500

(d)Rs. 6500

(e)None of these

**Directions (6-10): In the following number series only one number is wrong. Find out the wrong number.**

**Q6. 7, 12, 40, 222, 1742, 17390, 208608**

(a) 222

(b) 12

(c) 40

(d) 1742

(e) 208608

**Q7. 6, 91, 584, 2935, 11756, 35277, 70558**

(a) 6

(b) 70558

(c) 584

(d) 2935

(e) 35277

**Q8. 9050, 5675, 3478, 2147, 1418, 1077, 950**

(a) 950

(b) 1418

(c) 5675

(d) 2147

(e) 1077

**Q9. 1, 4, 25, 256, 3125, 46656, 823543**

(a) 4

(b) 823543

(c) 46656

(d) 25

(e) 256

**Q10. 8424, 4212, 2106, 1051, 526.5, 263.25, 131.625**

(a) 526.5

(b) 1051

(c) 4212

(d) 8424

(e) 263.25

**Directions (11-15): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer**

(a) if x < y

(b) if x ≤ y

(c) if x = y or no relation can be established

(d) if x > y

(e) if x ≥ y

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