Q. A house worth ₹ 1,50,000 is sold by X to Y at 5% profit .Y sells the house back to X at 2% loss. Then in the entire transaction :
1) X gains ₹ 3150
2) X loses ₹ 4350
3) X gains ₹ 4350
4) X loses ₹ 1350
Q. If the radius of a circle is decreased by 10%, then the area of the circle is decreased by 10%, then the area of the circle is decreased by -
1) 89%
2) 25%
3) 18%
4) 19%
Q. A man rows 750m in 600 seconds against the stream and returns in 7.5 minutes. Its rowing speed in still water is (in km/hr) -
1) 5.75
2) 5
3) 5.5
4) 5.25
Q. The sum of all natural numbers from 75 to 97 is -
1) 1798
2) 1978
3) 1598
4) 1958
Q. If ₹ 510 be divided among A, B, C in such a way that A gets 2/3 of what B gets and B gets 1/4 of what C gets, then their shares are respectively.
1) ₹ 150, ₹ 240, ₹ 120
2) ₹ 60, ₹ 90 , ₹ 360
3) ₹ 150, ₹ 300 , ₹ 60
4) ₹ 120, ₹ 240, ₹ 150
Q. If a4 + b 4= a 2, then a 6 + b 6 is equal to -
1) 0
2) 1
3) a2 + b2
4) a2 b + ab2
Q. Two pipes, A and B, can fill a cistern in 36 min and 45 min respectively. Both the pipe is opened together in the cistern. After how much time should A be closed so that the tank is full in 25 min?
1) 13 min
2) 14 min
3) 15 min
4) 16 min
Q. 15 liters of a mixture of milk and water contains 5% water. How much pure milk should be mixed with it to get a mixture containing 2% water?
1) 20.5 liters
2) 21 liters
3) 21.5 liters
4) 22.5 liters
Q. If 20% of A = 0.35 o B = 2/5 of C, then A : B : C is equal to -
1) 14 : 8 : 7
2) 12 : 8 : 7
3) 11 : 6 : 5
4) 13 : 8 : 5
Q. 10 is the mean of a set of 6 observations and 5 is the mean of a set of 4 observations. The mean of the combined set is -
1) 7.5
2) 8
3) 8.5
4) 9
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