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

Answer : A. 45

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.

Leave a Reply

Your email address will not be published.