Q. If radius of a circle is increased in such a way that its circumference increases by 10%. Area of circle will be increased by -
1) 10%
2) 12%
3) 21%
4) 24%
Q. The HCF and LCM of two numbers are 12 and 144 respectively. If one of the numbers is 36, the other number is -
1) 4
2) 48
3) 72
4) 432
Q. The length of a parallelogram is 17 cm and its width is 11 cm. One of its diagonal measures 26 cm. The length of the other diagonal is -
1) 12 cm
2) 14 cm
3) 16 cm
4) 17 cm
Q. In a test in Mathematics, 20% of the students obtained 'First class', If the Data are represented by a Pie-chart, what is the central angle corresponding to 'First class'?
1) 200
2) 360
3) 720
4) 1440
Q. Two numbers are such that their sum, differences and product are in the ratio 5 : 1 : 18. The difference of their squares is -
1) 36
2) 45
3) 42
4) 54
Q. If the cost price of 10 shirts is equal to the selling price of 08 shirts, then which of the following is true for the transaction?
1) Profit of 25%
2) Loss of 25%
3) Profit of 20%
4) Loss of 20%
Q. The difference of median and mode of the following data :
25, 33, 72, 65, 29, 60, 30, 54, 32, 53, 42, 52, 42, 51, 42, 48, 45, 47, 46, 33 is -
1) 3.5
2) 4
3) 2.5
4) 3
Q. Raman runs faster than Mohan, but not as fast as Kareem, Kareem runs faster than Suman, but not as fast as Abhinav. Who runs fastest?
1) Raman
2) Mohan and Kareem
3) Abhinav
4) Suman
Q. A mother is 4 times as old as her daughter and the father is 5 times as old as his daughter. The sum of mother's and father's age is 135 years. What is the age of daughter?
1) 10 years
2) 15 years
3) 20 years
4) 25 years
Q. In a class of 80 students, 60% students play carrom, 45% play chess and 10% students neither play carrom nor chess. The number of students who play only chess is -
1) 36
2) 24
3) 12
4) 8
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