Q. A trader allows a discount of 18% on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of 6.6%?
1) 30
2) 28
3) 25
4) 24
Q. If 2x + 1, x + 2, 2 and 5 are in proportion, then what is the mean proportional between 3.5 (1 - x) and 8(1 + x) ?
1) 5.5
2) 4.25
3) 5.25
4) 4.5
Q. The circumference of the base of a conical tent is 66 m. If the height of the tent is 36 m. What is the area (in m2) of the canvas used in making the tent?
1) 1155
2) 1237.5
3) 1171.5
4) 1254
Q. The average of twelve numbers is 45.5. The average of the first four numbers is 41.5 and that of the next five numbers is 48. The 10th number is 4 more than the 11th number and 9 more than the 12th number. What is the average of the 10th and 12th numbers?
1) 46.5
2) 47.8
3) 46
4) 47
Q. A recent survey of married couples in Indian metro cities showed that 20% of the couples have only one child, 45% of the remaining couples have two children, and the rest of the couples have three or more children. What is the percentage of couples with three or more children?
1) 56%
2) 44%
3) 35%
4) 42%
Q. Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
52 : 221:: 20 : ? :: 64 : 272
1) 85
2) 84
3) 255
4) 170
Q. A student has to secure 35% marks to pass. He secured 650 marks and failed by 50 marks. Find the maximum marks -
1) 1000
2) 1500
3) 2000
4) 2500
Q. The simple interest and compound interest of a certain sum compounded annually for 2 years are ₹ 900 and ₹ 954 respectively. What is the principal amount?
1) ₹ 3,700
2) ₹ 3,650
3) ₹ 3,850
4) ₹ 3,750
Q. Two numbers are in the ratio 3 : 7. If 8 is added to both these numbers, then their ratio becomes 5 : 9. What are these numbers?
1) 12, 28
2) 6, 14
3) 15, 35
4) 24, 56
Q. If the length of a rectangle is increased to its three times and the breadth is decreased to its half, then the ratio of the area of a given rectangle to the area of the new rectangle is -
1) 3 :1
2) 2 :3
3) 1:3
4) 3 : 2
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