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Aptitude · Q113

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 113

Q113

Three men step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. The minimum distance each should cover so that all can cover the distance in complete steps is = ?

A.
9630 cm
B.
9360 cm
C.
6930 cm
Answer
D.
6950 cm

Answer: Option C

Solution

Answer: Option C
Solution:
For minimum distance covered
LCM of (63, 70, 77)
= 9 × 7 × 10 × 11 = 6930