Q. A train 150 meters long takes 20 seconds to cross a platform 450 meters long. The speed of the train in, km per hour, is -
1) 104
2) 108
3) 100
4) 106
Q. Present ages of A and B are in the ratio 5 : 6 respectively. After seven years this ratio becomes 6 : 7. Then the present age of A in years is -
1) 33 years
2) 30 years
3) 35 years
4) 32 years
Q. The total surface area of a right pyramid on a square base of side 10 cm with height 12 cm is -
1) 360 square cm
2) 260 square cm
3) 330 square cm
4) 300 square cm
Q. The radius of a wire is decreased to one-third. If volume remains the same, the length will increase by -
1) 6 times
2) 9 times
3) 1 time
4) 3 times
Q. A certain sum of money amounts to ₹ 2200 at 5% interest, ₹ 2320 at 8% interest in the same period of time. The period of time is -
1) 4 years
2) 2 years
3) 5 years
4) 3 years
Q. The base of a right prism, whose height is 2 cm, is a square If the total surface area of the prism is 10 cm2, then its volume is -
1) 2 cm3
2) 1 cm3
3) 4 cm3
4) 3 cm3
Q. A sells a car priced at ₹ 36,000. He gives a discount of 8% on the 1st ₹ 20,000 and 5% on the remaining ₹ 16,000. B also sells a car of the same make, priced at ₹ 36,000. He gives a discount of 7% on the total price. Calculate the actual prices charged by A and B for the cars -
1) A=₹ 33,500; B=₹ 33,400
2) A=₹ 33,450; B=₹ 33,650
3) A=₹ 33,600;B=₹ 33480
4) A=₹ 33,480 B=₹33,600
Q. A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work?
1) 8 days
2) 12 days
3) 20 days
4) 15 days
Q. 12 years old Sami is three times as old as his brother Vinay. How old will Sami be when he is twice as old as Vinay?
1) 16 yrs
2) 20 yrs
3) 18 yrs
4) 14 yrs
Q. The two numbers, whose difference is 36 and the ratio between them is 7 : 16 are -
1) 14, 32
2) 28, 64
3) 64, 28
4) 21, 48
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