Question

Working together Bittu and Piklu can finish a
work in 4 days, Piklu and Chhotu can finish the
same work in 6 days and Chhotu and Bittu can
finish this work in 3 days. How many days
would they take to finish the work if all three of
them work together?
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Answer 1

they will work together and complete it in 6.5 days hope u like it

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Answer 2

Answer:

very easy sum,

by the help of L.C.M,

focus on your mind ,

when you take LCM

then bittu, piklu and chhotu are two times,

then you can let the name respectively,

a,b,c

use this formate,

2(a+b+c)= LCM of days