LCM Method: Days ka LCM = Total Work units. Efficiency = Total/Days. Efficiencies add karo. Time = Total/Combined.
Time & Work LCM Shortcut
SBI POIBPS POSSC CGLRRB
Yaad Karne ki List
- LCM Method: Total work = individual days ka LCM
- Efficiency = Total Work / Days
- Combined efficiency = individual efficiencies ka sum
- A x days, B y days mein: Together = xy/(x+y) days
- Pipes: Filling = +ve, Draining = −ve
- Alternate day work: 2-day cycle output nikalo
- Wages: kiye gaye kaam ke ratio mein distribute
Mnemonic Tricks
Kaise Map Hota Hai
| Cue | Maps To |
|---|---|
| Step 1 | Total Work = LCM(A ke days, B ke days) |
| Step 2 | A ki efficiency = Total/A ke days |
| Step 3 | Combined = Eff(A) + Eff(B) |
| Step 4 | Together = Total/Combined |
Yeh Fast Kyun Hai
LCM method fractions ko whole numbers mein convert karta hai — mental math dramatically fast ho jaati hai.
Aksar Poochhe Jaane Wale Sawaal
Time & Work mein LCM method kya hai?
Sabke days ka LCM = Total Work. Efficiency = Total ÷ Days. Efficiencies jodo. Time together = Total ÷ Combined efficiency.
Pipes problems kaise solve karein?
Same LCM method. Filling pipes = +ve efficiency, draining = −ve. Net efficiency = sum of all with signs.