Discussion of Question with ID = 012 under Clocks-and-Calendars

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Question

Jashn is 22 weeks and 12 days older than me, whereas Rajiv is 86 weeks and 12 days older than Jashn. If Rajiv was born on a Sunday, on which day of the week was I born?

A

Wednesday.

B

Tuesday.

C

Friday.

D

Thursday.

Soln.
Ans: a

Rajiv is 22 + 86 = 108 weeks and 12 + 12 = 24 days older than me. Weeks are in multiples of 7 days. So we can ignore them. We can deal with the 24 days alone. Since 24 = 3 X 7 + 3, the excess days are 3. So we can count the day to Sunday + 3 = Wednesday.

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