Question
Find the average of first 19 whole
numbers.Solution
First 19 whole numbers = 0, 1, 2, …….., 17, 18 Average = (1st term + last term)/2 = (0 + 18)/2 = 9
A train whose speed is 40 m/s crosses a bridge in 20 seconds. Another train which is 80m shorter than the first train crosses the same bridge at the sp...
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A train can cross a pole, a bridge of 510 meter long and platform of 450 meter long in 11 seconds, _____ seconds and 26 seconds, respectively.
Th...
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