Question

2. Three boys step off together from the same spot. Their steps measure 63 cm, 70 cm
and 77 cm respectively. What is the minimum distance each should cover so that all
can cover the distance in complete steps?
175 cm 675 cm and 450 cm respectively.​

Answer 1

Answer:

The minimum distance each should cover = 6930. by (LCM method..)

Hope this would help u...!!

Answer 2

$1st \: boy \: = 60cm$

$2nd \: boy = 70cm$

$3rd \: boy = 77cm$

$lcm \: of \: 60 \\ 70 \\77$

L.C.M. of 63, 70 and 77 = 7 x 9 x 10 x 11 = 6930 cm. Therefore, the minimum distance is 6930 cm