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According to Question; Efficiency of pipe ‘A’ = (120/15) = 8 litres/hour Efficiency of pipe ‘C’ = 8 ÷ 1.25 = 6.4 litres/hour Efficiency of pipe ‘B’ = 6.4 × 1.5 = 9.6 litres/hour Time taken by all the pipes together to fill the tank = {120/(8 + 6.4 + 9.6)} = (120/24) = 5 hours Or, time taken by all three pipes together to fill the tank = 5 × 60 = 300 minutes
12, 12, 30, 120, ?, 4620
155, 161, 173, 191, ?, 245
37, 57, 82, ?, 147, 187
196, 196, 203, 229, 292, ?
178 168 148 ? 78 28
What will be come in place of (?) in the given number series.
2, 3, 5, 7, 11, ?, 17
1, 7, 37, 187, 937, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
21, 28, 39, 52, ?, 88
