Q10. Three friends Deepak, Suman and Ravi are members of a library. Deepak visits the library every third day; Suman visits every fifth day and Ravi visits on every Sunday. If they met on 12thApril, Sunday, after how many days they will meet again?
Answers
Answer:
Answer is 105
Step-by-step explanation:
THREE FRIENDS VISIT ON EVERY 3RD, 5TH AND 7TH DAY.
LCM of 3,5,7 is 105. Answer is 105
Answer:
They will meet again after 105 days.
Step-by-step explanation:
Given,
Deepak visits the library every third day
Suman visits the library every fifth day
Ravi visits every Sunday
Deepak, Suman, and Ravi met in the library on 12th of April
To find,
After how many days they will meet again
Solution:
Since Ravi visits every Sunday., Ravi visits the library every seventh day.
Hence we have Deepak, Suman and Ravi visit the library every third fifth, and seventh day respectively.
The days they will meet in the library will the days which are common multiples of 3,5,7
LCM (3,5,7) = 105
They will meet in the library every 105 days.
Hence, since they met on the 12th of April, they will meet again after 105 days.
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