Question
The "Sunrise" train departs from City A at a specific
time. Four hours later, the "Twilight" train leaves the same station and travels in the same direction at a speed of 120 km/hr. If the "Twilight" train catches up to the "Sunrise" train in 12 hours, what is the speed of the "Sunrise" train?Solution
ATQ, Distance travelled by Twilight in 12 hours = 12 × 120 = 1440 km Speed of Sunrise Train = 1440/(12 + 4) = 1440/16 = 90 km/hr
169, 224, 293, 385, 497, 629
Find the wrong number in the given number series.
20, 33, 50, 69, 93, 121
25Â Â Â 26Â Â Â Â 28Â Â Â Â 32Â Â Â Â 42Â Â Â Â 56
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
8137, 5405, 3669, 2701, 2201, 1997
Find the wrong number in the given number series.
78, 66, 51, 39, 20, 12
2824Â Â Â Â 2314Â Â Â Â Â 1973Â Â Â Â 1759Â Â Â Â 1634Â Â Â Â 1574
In each of the following number series, one term is wrong. Find the wrong term.
3, 7, 13, 21, 31, 42, 57
Find the wrong term in the given series below.
2847, 2954, 2799, 3088, 2727, 3256
Find the wrong number in the given number series.
2, 5, 10, 17, 26, 38, 50
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