Pipe ‘A’ takes 25 minutes to fill a tank. Pipe ‘B’ takes 30 minutes to empty the same tank. If pipe ‘B’ is opened 18 minutes after pipe ‘A’, then find the total time taken to fill the tank in this manner.
Let the capacity of the tank be ‘150’ litres {LCM (25, 30)} Efficiency of pipe ‘A’ = (150/25) = 6 litres/minute Efficiency of pipe ‘B’ = (150/30) = 5 litres/minute Quantity of water filled by pipe ‘A’ in 18 minutes = 18 × 6 = 108 litres Quantity of water to be filled = 150 – 108 = 42 litres Time taken by pipe ‘A’ and ‘B’ together to fill 42 litres of water = {42/(6 – 1)} = 42 minutes Total time taken = 18 + 42 = 60 minutes
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ENRAVISH - The classical dancer gave such a performance that enravished the audience.
Find the appropriate word.
Select the most appropriate antonym of the given word.
APPARENT
Subtle
(i) The evidence is not detailed enough to subtle his argument.
(ii) The flavour of the dried berries is more subtle .
Select the most appropriate synonym of the given word.
ENTANGLE
Select the most appropriate option to fill in the blank.
We ________Rohit for the last two months.
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Ubiquitous
Select the most appropriate SYNONYM of the given word.
Threat