If there r 2 pipes . one pipe fills a tank in 32 min while another pipe empty filled tank in 16 min. . if tank is already half filled so in how many min. it will filled full if both pipes opened at same time ?
Measure what is measurable, and make measurable what is not so.
Galileo Galilei
Maths is just like a stone if u will uttern it therefore u can acheive the zenith of success but if u will not in that case it will become headache for u...