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CBSE Class 6 Answered

the three wheels of a car touch a road at points P,Q,R respectively The car starts moving with the wheels making 60, 36 and 24 revolutions per minute when will be the points p,Q,R again be in the same position
Asked by allagaddasreereddy | 14 Aug, 2022, 11:32: PM
Expert Answer
time taken to complete one revolution by wheels are 
60 over 60 equals 1 straight s
60 over 36 equals 5 over 3 straight s
60 over 24 equals 5 over 2 straight s

LCM open parentheses 1 comma 5 over 3 comma 5 over 2 close parentheses equals fraction numerator LCM left parenthesis 1 comma 5 comma 5 right parenthesis over denominator HCF left parenthesis 1 comma 3 comma 2 right parenthesis end fraction equals 5
points P,Q,R again be in the same position in 5 secs.
Answered by Arun | 15 Aug, 2022, 12:14: PM
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