Q. A and B can finish a work in 16 days A alone can do the same work 24 days . Therefore, in how many days can B alone finish work?
1) 24
2) 36
3) 48
4) None of these
Q. 253 * 11 of 23 = ?
1) 1
2) 18
3) 121
4) None of these
Q. 90% of 61 = ?
1) 55
2) 54.9
3) 55.9
4) None of these
Q. A train left a station with some definite number of passengers . At the first stop, half of the passengers left and 135 entered. At the second stop, 1/3rd of the passengers left and 110 entered. Then the train moved with 350 passengers for its destination. How many passengers were there when the train departed from the starting point?
1) 1,200
2) 1,600
3) 450
4) None of these
Q. A sold his watch for Rs.190, thus losing 5%. What was the cost price of the watch?
1) Rs. 237.5
2) Rs. 220
3) Rs. 200
4) None of these
Q. If the side of a cube is decreased by 10%, the percentage decrease in the volume of the cube is -
1) 72.9%
2) 10%
3) 19%
4) 27.1%
Q. If a brass cone of radius 10 cms and height 10 cms is melted and cast into a sphere, the radius of the cast sphere is likely to be closet to -
1) 6.3 cms
2) 8.2 cms
3) 7.1 cms
4) 5.7 cms
Q. A photograph has to be taken by the management committee. There are seven chairs. The center chair can only be occupied by the president and the left extreme chair by the secretary. In how many combinations can the photograph be taken -
1) 70
2) 5040
3) 120
4) 625
Q. A committee of 5 members is to be selected from 6 men and 5 women. What is the number of ways of selecting a committee which have at least one man and one woman -
1) 445
2) 455
3) 470
4) 130
Q. Two perpendicular crossroads of equal width run through the middle of a rectangular field of length 80 meters, and breadth 60 meters. If the area of the crossroads is 675 m2, what is the width of the road?
1) 6 metres
2) 5 metres
3) 9 metres
4) None of these
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