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Let the capacity of the cistern = 180 units Then, efficiency of pipe ‘A’ = 180/20 = 9 units/minute Efficiency of pipe ‘B’ = 180/18 = 10 units/minute Efficiency of pipe ‘C’ = 180/12 = 15 units/minute So, combined efficiency of pipes ‘A’, ‘B’ and ‘C’ = 9 + 10 – 15 = 4 units/minute 50% of the cistern’s capacity = 90 units Therefore, time taken by all 3 pipes together to fill 50% of the cistern = 90/4 = 22.5 minutes
Although unwilling to do so, he came to the conclusion that no other scheme is practicable-
...A minister in charge of a Christian church or congregation, especially in some non-episcopal churches
India was ranked 81st among 118 countries in 2017 Global Index of Talent Competitiveness (GTI) list.
Fill in the blanks with the appropriate antonym of the word in Italic from the options given:
The weather was unpredictable , but the followi...
Choose the word correct synonym:
Elevate
Plants : Botany :: Soil : ?
He is ambitious and always aims high.
Hygrometer : Humidity :: Sphygmomanometer : ?