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According to Question; Efficiency of pipe ‘A’ = (150/15) = 10 litres/hour Efficiency of pipe ‘C’ = 10 ÷ 1.25 = 8 litres/hour Efficiency of pipe ‘B’ = 8 × 1.5 = 12 litres/hour Time taken by all the pipes together to fill the tank = {150/(10 + 8 + 12)} = (150/30) = 5 hours Or, time taken by all three pipes together to fill the tank = 5 × 30 = 150 minutes
1595, 1083, 740, 524, 399, ?
17 21 51 169 701 ?
17, 19, 41, 127, 513, ?
What will be come in place of (?) in the given number series.
2, 3, 5, 7, 11, ?, 17
116, 118, 124, 136, 156, ?
6400, 1600, ?, 80, 16, 4
4 10 ? 62.5 156.25 390.625
...51 26 27 ? 86 217.5
120 124 151 167 292 ?
4.8, 14, 62, ?, 1516, 7578