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
Q. If x2 - y2 = 7 and x - y = 1, then the length of a diagonal of a rectangle with length and width respectively x cm and y cm will be
1) 5 cm
2) 6 cm
3) 7 cm
4) 8 cm
Q. The next term in the sequence
1, 3, 9, 15, 25, 35, 49, ... will be -
1) 80
2) 64
3) 81
4) 63
Q. One tap can fill a water tank in 3 hours and another tap can empty it in 4 hours. If the tank is one-third full and both the taps are opened together, then the time taken to fill the tank will be -
1) 8 hours
2) 9 hours
3) 10 hours
4) 11 hours
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