Work and Time Tricks – Amazing Math Tricks – (Only 2 Sec) – (Trick no. 13)
Trick/Theorem:- If ‘A‘, ‘B‘ and ‘C‘ can complete a piece of work in ‘X‘ days and ‘A‘ and ‘B‘ can complete the same work in ‘Y‘days.
Then, ‘C’ alone complete the same work in
Or,
Trick/Theorem 2:- If ‘A‘, ‘B‘ and ‘C‘ can complete a piece of work in ‘X‘ days and ‘A‘ alone can complete the same work in ‘Y‘ days.
Then, ‘B’ and ‘C’ together will complete the same work in
Let’s solve a Question for Learn This Time and Work Tricks
Q-1) A, B and C together can finish a job in 8 days. While B and C together can finish the same job in 24 days. C alone will finish the same job in – a) 6 days b) 9 days c) 12 days d) 15 days
Solution:- A, B and C together can finish a job in 8 (X) days.
While B and C together can finish the same job in 24 (Y) days.
Now apply Work and Time Tricks:-
So Now Put, X=8 and Y=24
Your answer c) 12 days. [ So, A alone will finish the same job in 12 days.]
For Better Learn Time and Work Tricks
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