Q. Two pipes A and B can fill a tank in 16 hours and 48 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
1) 10 hours
2) 12 hours
3) 15 hours
4) 16 hours
Q. A solid right circular cylinder has a radius of 21 cm and height of 16 cm. What is its curved surface area?
1) 2000 cm2
2) 2002 cm2
3) 2010 cm2
4) 2112 cm2
Q. Which of the following cars with speed given below is the fastest?
1) 90 km/ hr
2) 25 m/ sec
3) 1500 m/ min
4) 100 km/ hr
Q. How many minutes will Preethi take to cover a distance of 500 m, if she runs at a speed of 30 km/ hr?
1) 1 min
2) 2 min
3) 5 min
4) 6 min
Q. A finishes a work in 9 days and B finishes the same work in 18 days. In how many days will they together finish the same work?
1) 3 days
2) 6 days
3) 8 days
4) 9 days
Q. 1000 boys and 600 girls are examined in a test. 43% of the boys and 35% of the girls passed. The percentage of the number of candidates who failed is -
1) 40%
2) 50%
3) 58%
4) 60%
Q. The sum of three consecutive numbers is 96. The greatest among these three numbers is -
1) 28
2) 31
3) 33
4) 43
Q. A number is as much greater than 55 as it is lesser than 79. The number is -
1) 59
2) 63
3) 65
4) 67
Q. Which of the following is equal to 8.13 x 106 ?
1) 831000
2) 8310000
3) 813000
4) 8130000
Q. The perimeter of a rectangular ground with corners A, B, C and D is 28 metre. To calculate the area of the ground, which of the below pieces of information is additionally required and sufficient?
1) The length of the diagonal AC is same as the length of the diagonal BD
2) The sum of the diagonals is 8 meter less than the perimeter of the rectangle
3) The perimeter of the rectangle is greater than 50% of the area of the rectangle
4) The sum of all the internal angles of the rectangle is 3600
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