Aptitude Test for Freshers


Q.  A cistern has two taps attached to it. Tap B can empty the cistern in 45 minutes. But Tap A can fill the cistern in just 30 minutes. Rohit started both taps unknowingly but realized his mistake after 30 minutes. He immediately closed Tap B. Now after this, in how much time will the cistern be filled?

a. 30 minutes
b. 45 minutes
c. 15 minutes
d. 20 minutes


ANSWER: See Answer
 
No explanation is available for this question!
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