Pipes & Cisterns

Time & Work with water — inlets as positive rates, leaks as negative, plus alternate-opening and leak-delay problems.

Start first lesson
  1. 1
    Pipes — Filling & Emptying Rates
    Pipes & Cisterns — भरना plus, खाली करना minus · 8 min
    EASY
  2. 2
    Leaks, Drains & Alternate Openings
    Leak, drain और alternate pipes के sawaal · 8 min
    HARD