MBA Exam Numerical Ability Time and Work

Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in theratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that isone-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at whichwater flows through a unit cross-sectional area is same for all the three pipes.)

1) 66/13
2) 40/13
3) 32/13
4) 16/13

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MBA Other Question
1,3,3,3,5,5,5,5,5,7,7,7,7,7,7,7 and so on-What is the 111th term of the series .Please post approach also..

1) 19
2) 21
3) 111
4) None
 What is the value of expression

1) 9/19
2) 10/19
3) 10/21
4) 11/21