Question

If 15 crore people do a work in 15 minutes, then in how long will 100 crore people do the same work​

Answer 1

100 crore people will do the same work​ same work in 100 minutes.

Step-by-step explanation:

Given:.

15 crore people do a work in 15 minutes:

To Find:

The time taken for 100 crore people to do the same work

Solution:

15 crore  =  15 minute

For 1 crore people the time taken will be  = $\frac{ 15}{15}$ =  1 minute

Then For 100 crore people  the time taken will be  = $1 \times 100$ =  100 minutes

Learn more about time and work:

Find the Number of Days to Finish the Work Together .A can finish a work in 8 days and B can do the same work in 24 days. In how many days they work together can complete the work?

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Answer 2

The time taken by 100 crore people do the same work​ = 2.25 minutes or, 2 minutes 25 seconds

Step-by-step explanation:

Given,

15 crore people do a work = 15 minutes

To find, the time taken by 100 crore people do the same work​ = ?

∵ 15 crore people do a work = 15 minutes

∴ 1 crore people do a work = 15 × 15 minutes

= 225 minutes

∴ 100 crore people do the same work​ = $\dfrac{225}{100}$ minutes = 2.25 minutes or, 2 minutes 25 seconds

Thus, the time taken by 100 crore people do the same work​ = 2.25 minutes or, 2 minutes 25 seconds