Question

The length, breadth and height of a room are
403 cm, 434 cm and 465 cm respectively,
Find the length of the longest tape which
can measure the three dimensions of the
room exactly
(A) 31 cm
(B) 30 cm
(C) 25 cm
(D) 35 cm​

Answer 1

$\huge\mathbb\blue{ANSWER}$

$\huge\boxed{\fcolorbox{blue}{red}{TAKE HCF OF ALL NUMBER}}$

• The longest tape which can measure the the three dimension of the room exactly is HCF of 403, 434 and 465. HCF of the numbers = 31

SO , THE CORRECT ANSWER IS 31 CM

OPTION ( A ) IS CORRECT