Latest CTET Aptitude Question SOLUTION: two pipes A and B can fill a cistern in 15 and 20 min,.while third pipe C can empty it in 30 min.if three pipes opened successively for one min each,how long wll it take to fill th
two pipes A and B can fill a cistern in 15 and 20 min,.while third pipe C can empty it in 30 min.if three pipes opened successively for one min each,how long wll it take to fill the cistern?
Students attend our lectures, not because the mathematics we teach ‘makes lots of fun’ for us, but because they believe they can learn some essential knowledge from us. And each of our young students has only one life to live. We should therefore be a
H. Behnke
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.