20 Solved Questions for Time and Distance

Aug 21st, 2016
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20 solved questions for Quantitative Aptitude > Time and Distance. Step by step solutions available.

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Ex.1.A car moves at the speed of 80 km/hr.What is the speed of the car in metresper second ?(a) 8 m/sec(b)Ex.2.120 m/sec.92(c) 22 m/sec.(d) None of these9Sol.Sol.(c).8Speed = 80 m/sec18 =200m/sec9= 222m/sec.9A man walking at the rate of 5 km/hr.crosses a bridge in 15 minutes. Thelength of the bridge (in metres) is :(a) 600(b) 750(c) 1000(d) 1250(d).5Speed = 5 m/sec 18 =25m/sec.18Distance covered in 15 minutes 25= 15 60 m 18= 1250 m.Slide 1 of 16Ex.3.One of the two buses completes a journey1of 300 km in 7hours and the other a2journey of 450 km in 9 hours. The ratio oftheir average speeds is :(a) 2 : 3(b) 3 : 4(c) 4 : 5(d) 8 : 9Ex.4.Sol.Sol.The ratio between the speeds of twotrains is 7 : 8. If the second train runs400 kms in 4 hours, then the speed ofthe first train is :(a) 70 km/hr(b) 75 km/hr(c) 84 km/hr(d) 87.5 km/hr(a).(c).Let, the speeds of two trains be 7x and2 450 Ratio of speeds = 300 : 15 9 8x km/hr.400 100 100 x 12.5.4 8 40 :50Then, 8x 4 :5. Speed of first train = 7 12.5 km/hr.= 87.5 km/hr.Slide 2 of 16Ex.5.Sound is said to travel in air at about 1100feet per second. A man hears the axeEx.6.striking the tree, 11 seconds after he seesit5st

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