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Start learning 50% faster. Sign in nowLet the speed of the man be ‘x’ m/sec. Speed of train = 1600/20 = 80 m/sec Relative speed of the train = (80 – x) m/sec According to the question, => (80 – x) = 1600/25 => x = 80 – 64 => x = 16 Therefore the speed of the man = 16 m/sec
8, 17, 35, 71, 143, 287
The series given below contains a sequence of numbers.
Accordingly identify the incorrect number.
9, 14, 24, 38, 59
28, 84, 42, 126, 68, 189
2304 6912 864 2592 322 972
23, 45, 115, 161, 270, 349
20000, 500, 25, 2.5, 0.5, 0.4, 0.16
48, 112, 144, 192, 310, 732
3,10,27,4,16,64,5,25,125