a) 18th April, Friday
b) 20th April, Saturday
c) 21th April, Sunday
d) 19th April, Saturday
Answer: b
Explanation: Given Today is 20th January 2017, Sunday
In january, we have 31 days
February – 28 days (Non leap year)
March – 31 days
April – 30 days
⇒ Remaining days = 31 – 20 = 11 in Jan
11 in Jan + 28 in Feb + 31 in Mar = 11 + 28 + 31 = 70 days
More 20 days to complete 90 days ⇒ upto 20th April
Therefore, after 90 days from today i.e, 20th Jan 2017 is 20th Apr 2017.
Now, the day of the week will be
$$\frac{{90}}{7}$$ ⇒ Remainder ‘6’
As the day starts with ‘0’ on sunday
6 ⇒ Saturday.
Required day is 20th April, Saturday.
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