Question 10
Dhruv's birthday is on Sunday 28th May. On what day of the week will be Sahil's Birthday in the same year if Sahil was born on 19th October?
Solution
According to the question, 28th May is Sunday
Number of days left in May = $$31-28=3$$
Similarly, odd days from 28th May till 19th October = $$(3+30+31+31+30+19)\%7$$
= $$3+2+3+3+2+5=18$$
Now, dividing 18 by 7, remainder = 4
Thus, day on 19th October = Sunday (+4) = Thursday
=> Ans - (C)
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