Question

A B amd C can do a piece of a work in 12 days ,15 days and 10 days respectively in what time will they all together finish it ?​

Answer 1

Heya..!!

Your answer is-

Question-

• A, B and C can do a piece of a work in 12 days, 15 days, 10 days respectively in what time will they all together finish it?

Answer-

=> In 1 day part of work that A will do = 1/12

In 1 day part of work that B will do = 1/15

In 1 day part of work that C will do = 1/10

In 1 day A, B AND C together will do=

1/12 + 1/15 + 1/10

LCM of 12 ,15 & 10 is 60

(5 + 4 + 6) /60

= 15 / 60 = 1/ 4

Therefore,

A, B &C together do 1/4 part of work in 1 day.

Hence

A, B&C Together will finish complete work in

4 days.

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Answer 2

$\huge \fbox \colorbox{orchid}{heya}$

⭐question:

A B amd C can do a piece of a work in 12 days ,15 days and 10 days respectively in what time will they all together finish it ?

⭐answer:

given = A,B and C can do a piece of a work in 12 days .

to find = in what time will they all together finish it ?

solution = a can do a piece of work = 12 days

b can do a piece of work = 15 days

c can do a piece of work = 10 days

therefore

A's one day work =

$\frac{1}{12}$

of that work

B's one day work =

$\frac{1}{15}$

of that work

C's one day work =

$\frac{1}{10}$

of that work.

so all of them work in one day . they will manage to finish =

$\frac{1}{12} + \frac{1}{15} + \frac{1}{10}$

$= \frac{5 + 4 + 6}{60} = \frac{15}{60} = \frac{1}{4}$

so if they work all together they will do 1/4 in4 days

therefore they will need 4 days to finish it

hence they will all finished together in 4 days .

⭐at end :

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