Question

A water pipe is cut into two pieces. the longer piece is 70% of the length of the pipe. by how much per cent is the longer piece longer than the shorter piece? ​

Answer 1

Answer:

Step-by-step explanation:

A water pipe is cut into two pieces. The longer piece is 70% of the length of the pipe. By how much percentage is the longer piece longer than the shorter piece?

A) 140%

B) 400/3 %

C) 40 %

D) None of these

Correct Answer:

B) 400/3 %

Description for Correct answer:

Let the length of water pipe be 100 m

Now longer piece is 70% of length of water pipe

longer piece = 70 m

and shorter piece = 30 m

Longer piece is longer than shorter piece by

=[70−3030×100]

%

=[43×100]%

4003

%

Part of solved CDS Maths(2) questions and answers : Exams >> CDSE >> CDS Maths(2)

Answer 2

Let the length of water pipe be 100 m

Now longer piece is 70% of length of water pipe

longer piece = 70 m

and shorter piece = 30 m

Longer piece is longer than shorter piece by

=[70−30/30×100]%

=[4/3×100]%

400/3%