Time & Work — Advanced Exam Problems
Time & Work के advanced सवाल
title
Time & Work — Advanced Exam Problems
- Time & Work
- Time & Work — Advanced Exam Problems
नमस्ते दोस्तों, कैसे हैं आप सब? चलिए आज की class शुरू करते हैं। आज हम सीखेंगे — Time & Work के advanced सवाल। घबराइए मत, हम एकदम basic से शुरू करेंगे। Ready? चलिए!
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Interactive — learn by doing. Drag, tap and explore to build the intuition.
Working together adds the rates
Call the whole job LCM(times) units so each rate is a whole number. Add the per-day units, then divide the job by the combined rate.
A
3 units/unit-time
B
2 units/unit-time
job = 30 units; rate = 3 + 2 = 5/…
6 days
Combined they do 5 units each day, so 30 ÷ 5 = 6.
💡 The LCM trick kills all fractions — that's its whole point.