Question

It takes 10 minutes to cut a rod into 2 equal pieces. How many minutes will it take to cut a similar rod by a similar process into 5 equal pieces?
a. 5 minutes
b. 10 minutes
c. 25 minutes
d. 40 minutes
e. 50 minutes

Answer 1

Answer:

d. 40 minutes

Step-by-step explanation:

since in order to cut the rod into 5 equal pieces we have to make 4 cuts.

Hence the cost of 4 Cuts = 40 minutes

Answer 2

It takes 25 minutes to cut a similar rod by a similar process into 5 equal pieces

Solution:

Given that,

It takes 10 minutes to cut a rod into 2 equal pieces

Therefore,

2 equal pieces = 10 minutes

How many minutes will it take to cut a similar rod by a similar process into 5 equal pieces?

Let,

5 equal pieces = x minutes

Therefore,

2 equal pieces = 10 minutes

5 equal pieces = x minutes

This forms a proportion and we can solve the sum by cross multiplying

$2 \times x = 5 \times 10\\\\2x = 50\\\\x = 25$

Thus it takes 25 minutes to cut a similar rod by a similar process into 5 equal pieces

Learn more about this topic

It takes 6 minutes to cut a pipe into 2 pieces. how long will it take to cut into five pieces

https://brainly.in/question/288473

You need to cut wooden rod to 35 pieces. If takes 3minutes to make 1 cut . How long does it take to complete the cuts

https://brainly.in/question/6240930