Discussion of Question with ID = 192 under Clocks-and-Calendars

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Question

Vaibhav is 75 weeks and 9 days older than me, whereas Gurnam is 32 weeks and 5 days older than Vaibhav. If Gurnam was born on a Saturday, on which day of the week was I born?

A

Saturday.

B

Tuesday.

C

Friday.

D

Wednesday.

Soln.
Ans: a

Gurnam is 75 + 32 = 107 weeks and 9 + 5 = 14 days older than me. Weeks are in multiples of 7 days. So we can ignore them. We can deal with the 14 days alone. Since 14 = 2 X 7 + 0, the excess days are 0. So we can count the day to Saturday + 0 = Saturday.

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