Question

. Mr Menon can write a chapter of the book in
6 days, while Mr Kumar takes 12 days. If both
of them decide to work together, how long will
they take to write it?​

Answer 1

Answer:

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Answer 2

Answer:

4 days

Step-by-step explanation:

Menon takes 6days

Kumar takes 12days

LCM of 6&12 is 12.

Then efficiency of Menon,

M= 12/6= 2

efficiency of Kumar,

K= 12/12 =1

Total work =12

total efficiency of Menon and Kumar,

= M+K =2 +1 = 3

required days =12/3

4days