Question
A truck covers 320 km in 10 hours with its usual speed.
If the speed of the truck had been 8 km/hr more than its usual speed, find the time taken by the truck to cover 450 km with the increased speed.Solution
ATQ, Usual speed of the truck = 320/10 = 32 km/hr Increased speed of the truck = (32 + 8) = 40 km/hr Required time = 450/40 = 11.25 hours
Find the wrong no in the given number series.
25, 123, 341, 727, 1329, 2199
384, 1152, 144, 432, 56, 162
Find the wrong number in given series.
2118, 2140, 2209, 2334, 2550, 2893
1582, 1616, 1658, 1708, 1756, 1812
Find the wrong number in given number series.
4350, 4400, 4600, 4750, 5150, 5450
86,142, 232, 364, 547
Find the wrong number in the given number series.
71, 98, 123, 154, 191, 232
120, 240, 80, 320, 60, 384
11Â Â Â Â Â Â Â Â Â Â 9Â Â Â Â Â Â Â Â Â Â Â Â Â 20Â Â Â Â Â Â Â Â Â Â 18Â Â Â Â Â Â Â Â Â Â 37Â Â Â Â Â Â Â Â Â Â 36
...Find the wrong number in the given number series.
33, 42, 78, 159, 317, 528
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