question_answer

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size, which can be cut from these two lengths, will be [SSC CGL Tier II, 2017]

A) 0.13 m

B) 0.4 m

C) 0.3 m

D) 0.41 m

Correct Answer: C

Solution :

[c] To find the greatest length of same pipe pieces, we have to find the HCF of 1.5 m and 1.2 m. \[\therefore \] Required length of pipe pieces = HCF of 1.5 m and 1.2 m \[\therefore \] Required length of pipe pieces \[=0.3\,\,m\]