Q. If each side of a square is increased by 10%, then the increase in the area is -
1) 10%
2) 18%
3) 20%
4) 21%
Q. A takes 5 hours more time than that taken by B to complete a work. If working together they can complete the work in 6 hours, then the number of hours that A takes to complete the work individually is -
1) 15
2) 12
3) 10
4) 9
Q. The least integer that is to be added to (9798 x 9792) to make it a perfect square is -
1) 9
2) 8
3) 7
4) 6
Q. The least number which when increased by 4, is divisible by each of the numbers 10, 15, 20, and 25, is -
1) 296
2) 300
3) 304
4) 308
Q. The G.C.M. and L.C.M. of the two numbers are 17 and 255 respectively and one of them is 51. The other number must be -
1) 68
2) 85
3) 34
4) 87
Q. A certain sum lent out at simple interest doubles itself in 20 years. The number of years in which this sum trebles itself at the same rate of interest is -
1) 30
2) 40
3) 25
4) 20
Q. An express train leaves station A at 6.45 PM and reaches station B 150 km away at 10.30 PM. The time taken by the train to reach the next station C at a distance of 160 km away from station B with the same speed is -
1) 4 hours
2) 3 hours
3) 3.5 hours
4) 4.25 hours
Q. A and B together can do a piece of work in 10 days. If A alone can do it in 15 days, then the time taken by B to do the same work alone is -
1) 15 days
2) 20 days
3) 25 days
4) 30 days
Q. A sum of money is divided into two parts in the ratio 5 : 3. If the smaller sum is Rs.384, then the total sum of money was -
1) Rs. 1,024
2) Rs. 640
3) Rs. 820
4) Rs. 764
Q. A man purchased a pen for Rs. 320. If he sold it for Rs. 360, then his gain percent was -
1) 40%
2) 25%
3) 12.5%
4) 15%
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