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Speed of train = 108 km/hr Speed of train in (m/sec) = 108 x 5/18 = 30 m/sec Distance = 3/5 of 1 km = 3/5 x 1000 m = 600 m Therefore, Speed = distance/time 30 = 600/t Time = 600/30 = 20 sec
How many such pairs of letter are there in the word LEVERAGE, each of which has as many letters between them in the word as in the English alphabet?
How many such pairs of letter are there in the word POPULAR, each of which has as many letters between them in the word as in the English alphabet?