Aptitude Test for Teachers
Q. A pipe can fill a tank in 6 hours. Another pipe can empty the tank in 12 hours. If both pipes are opened simultaneously, the part of tank filled by both pipes in 1 hour is?
a. 1/9 th part
b. 1/6 th part
c. 1/12 th part
d. 1/3 rd part
No explanation is available for this question!