1. The length of a rectangle is 20% more than its breadth. What will be the ratio of the area of this rectangle to the area of a square whose side is equal to the breadth of the rectangle?
A) 5 : 6 B) 6 : 5 C) 3 : 2 D) 2 : 3 E) None of these
2. Mr. Anand invested Rs 20,000 with rate of interest at 20 % per annum. The interest was compounded half yearly for first one year and in the next year it was compounded yearly. What will be the total interest earned at the end of two years?
A) 9500 B) 5040 C) 8200 D) 9040 E) None of these
3. A bag contains 3 red, 5 yellow and 4 green balls. 3 balls are drawn at random. What is the probability that the balls drawn contain exactly 2 green balls?
A) ½ B) 13/55 C) 12/54 D) 12/55 e) None of these
4. A, B, and C invested some money in ratio 3 : 4 : 5. After some time, they receive a profit which is divided among them in ratio 4 : 5 : 6. Find the ratio of the time of their respective investments.
A. 80 : 72 : 75
B. 80 : 75 : 72
C. 75 : 72 : 80
D. 72 : 80 : 75
E. None of these
5. A contactor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only onethird of the road is made. How many extra men should he employ so that he is able to complete the work 4 days earlier?
A) 100 B) 60 C) 75 D) 55 E) None of these
6. A motorboat in still water travels at a speed of 36 kmph. It goes 56 km upstream in 1 hour 45 minutes. The time taken by it to cover the same distance down the stream will be
A) 2 hours 25 minutes
B) 3 hours
C) 1 hour 24 minutes
D) 2 hours 21 minutes
E) None of these
Directions (7-10): Find out the wrong number in the following number series.
7. 12 25 52 55 57 115 117
(a) 55 (b) 117 (c) 25 (d) 52 (e) None of these
8. 2478 819 257 84 24 6
(a) 257 (b) 24 (c) 6 (d) 819 (e) 1
9. 2 3 6 15 45 160 630
(a) 45 (b) 630 (c) 6 (d) 3 (e) 160
10. 199 176 195 180 190 184 187
(a) 180 (b) 190 (c) 184 (d) 187 (e) 199
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MAHENDRA GURU