Question

if 7 oil tankers can be filled by a pipe in 3.5 hours how long does the pipe take to fill 2 such oil tankers?​

Answer 1

Answer:

According to the question,

6 oil tankers can be filled by a pipe =4

2

1

=

2

9

hours

1 oil tanker can be filled by a pipe =

2×6

9

hours

4 oil tankers can be filled by a pipe

=

2×6

9

×4

=

6

9

×2

=

6

18

=3 hours

Hence, this is the answer.