# Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm and 7 meter 65 cm ?

Which greatest possible length can be used to measure exactly 15 meter 75 cm, 11 meter 25 cm & 7 meter 65 cm ?

A. 45

B. 255

C. 55

D. 36

**Answer : **A. 45

## Explanation:

The HCF for given length.

--> 15 meter 75 cm = 1575 cm.

--> 11 meter 25 cm = 1125 cm

--> 7 meter 65 cm = 765 cm.

1575 = 5 * 5 * 3 * 3 * 7

1125 = 5 * 5 * 5 * 3 * 3

765 = 5 * 3 * 3 * 17

HCF of 1575 , 1125 and 765 is 45.