Answer

Solution

UPSC Prelims

Mathematics

Theme:

LCM AND HCF / लघुत्तम समापवर्त्य एवं महत्तम समापवर्तक

Q40 2011, LCM AND HCF

Three persons start walking together and their steps measure 40 cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?

तीन व्यक्ति एक साथ टहलना आरंभ करते हैं तथा उनके कदमों के माप क्रमशः 40 cm, 42 cm तथा 45 cm हैं। प्रत्येक व्यक्ति कितनी न्यूनतम दूरी तक चले ताकि प्रत्येक व्यक्ति समान दूरी को पूर्ण चरणों में पूरा कर ले ?

Explanation Please wait..

It’s a simple LCM problem. Take the LCM of 40, 42 and 45 to know at what point will they find a common multiple. It is 2520 cm i.e. 25 m 20 cm.

व्याख्या Please wait..

Question Meta

ID:

Year:

Q.No:

Source:

Draft Mode v1.2

Solving Technique

Type Of MCQ

0

EN Question Title

0

ह Hindi Title

0