Q.No: 1
If the salary of the person is increased by 20% and then decreased by 20%. The net change in the salary of the person is________.
- A) 2% increment
- B) No change
- C) 4% increment
- D) 4% decrement
Correct Answer: D
Q.No: 2
Pipe A and B can fill a large tub of water in 2.5 minutes and 3 minutes respectively, and C can carry away 7 liters per minute. If all the pipes are open when the tub is full, it is emptied in 45 minutes. How many liters does the tub contain?
- A) 8.25 liters
- B) 9.25 liters
- C) 8.50 liters
- D) 9.50 liters
Correct Answer: B
Q.No: 3
Wine in a container is 40 liters. 4 liters of the wine are removed from this container and refilled with water. Two more times this operation is performed. What will the container's final volume of wine be?
- A) 19.30 liters
- B) 55.11 liters
- C) 22.19 liters
- D) 10.84 liters
Correct Answer: D
Q.No: 4
At what rate percent per annum will a sum of money double in 4 years?
- A) 20%
- B) 13.5%
- C) 16.5%
- D) 25%
Correct Answer: D
Q.No: 5
Two chords AB and CD of a circle when produced, meet at a point P outside the circle. If AB = 6 cm, PB = 5 cm, PD = 4 cm, then CD is equal to:
- A) 8.25 cm
- B) 7.5 cm
- C) 9.75 cm
- D) 7.75 cm
Correct Answer: C
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