ibps-so 2019 · Question 287 of 300

The overhead tank of the same premises is served by an inlet and by an outlet, both of which were found open one morning. One pipe can fill an empty cistern in 20 minutes, while a second pipe can empty the full cistern in 30 minutes. If both the pipes are opened together upon the empty cistern, in how long will the cistern be filled?

Answer: E. 60 minutes

Official answer key verified. Detailed explanation coming soon.

Source: IBPS SO Prelims Memory Based 2019 (held 28 Dec 2019, Shift 2) - Prepp · memory-based

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ibps-so 2019 · Question 287 of 300

Official answer key verified. Detailed explanation coming soon.

Source: IBPS SO Prelims Memory Based 2019 (held 28 Dec 2019, Shift 2) - Prepp · memory-based

Practice the full ibps-so 2019 paper

Timed test with all 300 questions, just like the real exam.