Question
A train has to cover a distance of 180 km in 20 hours.
If it covers half journey in 3/5th time, then the speed of covering the remaining distance in the time left has to be:Solution
Speed = Distance/time = 180/20 = 9 km/hr According to the question, New time = 3/5 x 20 = 12 hrs New distance = 1/2 x 180 = 90 km Required speed = Distance left/Time left = 90/8 = 11.25 km/hr
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series:-
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
13, 38, 150, _____, 4478, 31341.
Select the option in which the numbers are related in the same way as the numbers of the following set.
(25, 18, 225)
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Select the set in which the numbers are related in the same way as are the numbers of the following sets.
( NOTE: Operations should be perfor...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2200 after 4 years. If the same amount is investe...
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