self Maths Puzzle

find the rank of vista

Read Solution (Total 2)

self Other Question

A tap can fill a tank in 16 min and another can empty it in 8 min. if the tank is already 1/2 full and both the taps are opend together, will the tank be filled or emplied? How will it take before the tank is either filled or empty completely? 30 65 25
28 79 36
32 ?? 24
options are
28
23
43
48