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Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 12 and 21 = 84 Efficiency of A = 7 Efficiency of (A – B) = 4 Efficiency of B = 7 – 4 = 3 Tap B will empty the tank = 84/3 = 28 So, tap B will empty the tank in 28 hours.
Match List I with List II :
Choose the correct answer...
Which type of maize is mainly grown in India?
The rationale for establishment of ATIC is
(A) To supply research products.
(B) To provide diagnostic services for soil, water, meat and l...
Which of the following is a certification provided by APEDA?
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Choose the correct statements.
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