Q. A mixture contains milk and water in the ratio 5 : 3. If 20 liters of water added to the mixture, the ratio of milk and water becomes 3 : 2. Find the quantity of milk in the original mixture.
1) 320 liters
2) 280 liters
3) 250 liters
4) 300 liters
Q. The ratio of the present ages of Asha and Lata is 5 : 6. If the difference between their ages is 6 years, then what will be Lata's age will be after 5 years?
1) 40
2) 35
3) 41
4) 45
Q. Which two numbers should be interchanged to make the given equation correct?
9 + 7 x 5 - 18 ÷ 2 = 3 x 4 - 10 + 45 ÷ 5
1) 7 and 4
2) 9 and 3
3) 18 and 45
4) 2 and 5
Q. A train is running 3 minutes late and further it is getting delayed by 3 seconds per minute. After how many minutes will this train be delayed one hour?
1) 1140 minute
2) 1150 minute
3) 1160 minute
4) 1800 minute
Q. If x - y = 4 and xy = 45, then the value of x3 - y3 is -
1) 604
2) 822
3) 151
4) 82
Q. A person sells an article at 10% below its cost price. Had he sold it for Rs. 332 more, he would have made a profit of 20%. What is the original selling price (in Rs.) of the article?
1) 1,028
2) 1,328
3) 996
4) 896
Q. A, B and C are three points on a circle such that the angles subtended by the chord AB and AC at the centre O are 1100 and 1300, respectively. Then the value of ∠BAC is -
1) 650
2) 600
3) 700
4) 750
Q. A train crosses a pole in 12 sec, and a bridge of length 170 m in 36 sec. Then the speed of the train is -
1) 30.75 km/h
2) 10.8 km/h
3) 25.5 km/h
4) 32.45 km/h
Q. The ratio of the number of boys to the number of girls in a school of 640 students, is 5 : 3. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of the girls, becomes 14 : 9.
1) 15
2) 30
3) 20
4) 25
Q. If the length of a rectangle is increased by 40%, and the breadth is decreased by 20%, then the area of the rectangle increases by x%. Then the value of x is -
1) 16
2) 8
3) 20
4) 12
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