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ATQ,
Flow rates are proportional to the square of the diameter:
Total combined flow rate:
Cistern capacity (from Pipe 3 alone) = 16 × 183 = 2928
Time to fill with all pipes together:
Therefore, the cistern will be filled in 108 minutes.
Which letter cluster will replace the question mark (?) to complete the given series?
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Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
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c _ _ d _ k n ...
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Choose the next number in the series.
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What is the position of Q with respect to O?
K is 40 m south-west of L. M is 40 m south-east of L. Then K is in which direction of M?