Question

Kasi can do 1/10 of a work in 3 days and
Shiva can do 1/3 rd of a work in 15 days.
Find in how many days Kasi and
Shiva working together can complete the
work?​

Answer 1

Step-by-step explanation:

Kasi do in the 30 days.

Shiva do in the 45 days.

Total no.of days=1/30+1/45

=3+2/90

=5/90

=1/18

so they do in 18 rays

Answer 2

Given:

Work done by Kasi = 1/10

Time taken by Kasi = 3 days

Work done by Shiva = 1/3

Time take by Shiva = 15 days

To Find:

In how many days together they can do the work

Solution:

Kasi can do work = 1/10 = 3 days

Therefore, 100% work will be done in = 30

Shiva can do work = 1/3 = 15 days

Therefore, 100% work will be done in  = 45

Now, if Kashi and Shiva work together, it will be completed in - (to complete the work in 1 day )

= 1/30+1/45

= 30 + 45 / 1350

= 75/1350

= 1/18

Since, 1/18th part of work is completed in 1 day, thus 1 part is completed in 1/(1/18) days.

Answer: Both will complete the work in 18 days