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APTITUDETEST9
Ques 1 :
A clock is set right at 6 a.m. The clock loses 16 minutes in 24 hours. What will be the true time when the clock indicates 10 p.m. on 4th day?
(A) 10 p.m
(B) 11 p.m
(C) 12 p.m
(D) 09 p.m
Ques 2 :
One side of a rectangular field is 15 m and one of its diagonals is 17 m. Find the area of the field. 120 m
2
(A) 80 m
2
(B) 100 m
2
(C) 120 m
2
(D) 140 m
2
Ques 3 :
In measuring the sides of a rectangle, one side is taken 5% in excess, and the other 4% in deficit. Find the error percent in the area calculated from these measurements.
(A) 0.6%
(B) 0.8%
(C) 0.5%
(D) 0.7%
Ques 4 :
If each side of a square is increased by 25%, find the percentage change in its area.
(A) 56.25%
(B) 58.25%
(C) 60.25%
(D) 62.25%
Ques 5 :
Find the number of bricks, each measuring 24 cm x 12 cm x 8 cm, required to construct a wall 24 m long, 8m high and 60 cm thick, if 10% of the wall is filled with mortar?
(A) 45000
(B) 46000
(C) 47000
(D) 48000
Ques 6 :
Water flows into a tank 200 m x 160 m through a rectangular pipe of 1.5m x 1.25 m @ 20 kmph . In what time (in minutes) will the water rise by 2 meters?
(A) 90min
(B) 92min
(C) 96min
(D) 98min
Ques 7 :
Tbe dimensions of an open box are 50 cm, 40 cm and 23 cm. Its thickness is 2 cm. If 1 cubic cm of metal used in the box weighs 0.5 gms, find the weight of the box.
(A) 8.01 kg
(B) 8.02 kg
(C) 8.03 kg
(D) 8.04 kg
Ques 8 :
The surface area of a cube is 1734 sq. cm. Find its volume?
(A) 4903 cm
3
(B) 4907 cm
3
(C) 4909 cm
3
(D) 4913 cm
3
Ques 9 :
A rectangular block 6 cm by 12 cm by 15 cm is cut up into an exact number of equal cubes. Find the least possible number of cubes.
(A) 36
(B) 40
(C) 42
(D) 44
Ques 10 :
A cube of edge 15 cm is immersed completely in a rectangular vessel containing water . If the dimensions of the base of vessel are 20 cm x 15 cm, find the rise in water level.
(A) 11.25 cm
(B) 13.25 cm
(C) 11.75 cm
(D) 13.75 cm
Ques 11 :
Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.
(A) 1/7
(B) 1/9
(C) 2/7
(D) 2/9
Ques 12 :
How many iron rods, each of length 7 m and diameter 2 cm can be made out of 0.88 cubic meter of iron?
(A) 300
(B) 400
(C) 500
(D) 600
Ques 13 :
Evaluate: 30!/28!
(A) 810
(B) 830
(C) 850
(D) 870
Ques 14 :
How many words can be formed by using all letters of the word "BIHAR"?
(A) 24
(B) 96
(C) 120
(D) 240
Ques 15 :
In how many ways can a cricket eleven be chosen out of a batch of 15 players ?
(A) 5460
(B) 1365
(C) 273
(D) 91
Ques 16 :
In how many ways, a committee of 5 members can be selected from 6 men and 5 ladies, consisting of 3 men and 2 ladies?
(A) 100
(B) 200
(C) 300
(D) 400
Ques 17 :
Find the present worth of Rs. 930 due 3 years hence at 8% per annum. Also find the discount.
(A) 150
(B) 180
(C) 210
(D) 220
Ques 18 :
The true discount on a certain sum of money due 3 years hence is Rb. 250 and the simple interest on the same sum for the same time and at the same rate is Rs. 375. Find the sum and the rate percent.
(A) 12 2/3%
(B) 16 2/3%
(C) 20 2/3%
(D) 24 2/3%
Ques 19 :
If the true discount on a certain sum due 6 months hence at 15% is Rs. 120, what is the banker's discount on the same sum for the same time and at the same rate?
(A) 129
(B) 132
(C) 127
(D) 135
Ques 20 :
The banker's discount on Rs. 1800 at 12% per annum is equal to the true discount on Rs. 1872 for the same time at the same rate. Find the time.
(A) 3 months
(B) 4 months
(C) 6 months
(D) 8 months
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