1.
Today is Friday, after 126 days, it will be:
Answer: Option 'C'
126/7 = 0
Each day of the week is repeated after 7 days.
So, after 126 days, it will be Friday.
After 126 days, it will be Friday.
2.
What was day of the week on 21-September-1987?
Answer: Option 'B'
Formula:-(Date + Month code + No.of years + No.of leap year + Century code)/7
= (21 + 6 + 87 + 21 + 0)/7 = 135/7 = 2
= Monday
3.
January 1, 2008 is Tuesday. What day of the week lies on January 1, 2009?
Answer: Option 'C'
The year 2008 is a leap year. So it has 2 odd days.
1st day of the year 2008 is Tuesday (given)
So, 1st day of the year 2009 is 2 days beyond Tuesday. So it has to be Thursday.
4.
What was the day of the week on 17th June, 1998
Answer: Option 'D'
17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)
Odd days in 1600 years = 0
Odd days in 300 years = (5 × 3) = 1
97 years has 24 leap years + 73 ordinary years.
Number of odd days in 97 years = (24 × 2 + 73) = 121 = 2 odd days
Jan Feb March April May June
31 + 28 + 31 + 30 + 31 + 17 = 168 days = 24 weeks = 0 odd day
Total number of odd days = (0 + 1 + 2 + 0) = 3
Given day is Wednesday
5.
On 2007, What was the date of last Saturday in May month?
Answer: Option 'D'
1 - May - 2007
=(1 + 2 + 7 + 1 + 6)/7 = 17/7 = 3 = Tuesday
= May 1st --> Tuesday + 5 days = Saturday = 5th may
5th may + 7 days = Saturday = 12th may
12th may + 7 days = Saturday = 19th may
19th may + 7 days = Saturday = 26th may
= Answer = 26th may
6.
What was the day of the week on 10th March 1996?
Answer: Option 'A'
(10 + 4 + 96 + 24 + 0)/7 = 134/7 = 1
= Sunday
7.
How many days are there in x weeks X days?
Answer: Option 'B'
x weeks x days = (7x + x) days = 8x days
8.
On what dates on April 2001 did Wednesday fall?
Answer: Option 'C'
We shall find the day on 1st April 2001 1st April 2001 = 2000 years + Period from 1.1.2001 to 1.4.2001 Odd days in 1600 years = 0 Odd days in 400 years = 0 Jan, Feb, Mar, April = 31 + 28 + 31 + 1 = 91 days = 0 odd days On 1st April it is Sunday.
In April, 2001 Wednesday falls on 4th , 11th , 18th and 25th .
9.
What was the day of the week on 26-January-1950?
Answer: Option 'D'
Formula:-(Date + Month code + No.of years + No.of leap year + Century code)/7
= (26 + 1 + 50 + 12 + 0)/7 = 84/7 = 5
= Thursday
10.
What was the day of the week on 7th October, 2003?
Answer: Option 'B'
Formula = ( Date + Monthcode + No.of years + No.of leapyears + Century code )/ 7
==> (7 + 1 + 3 + 0 + 6)/7 = 17/7 = 3
==> Tuesday
11.
It was Thursday on 2nd Jan 1993. What day of the week will be on 15th March 1993?
Answer: Option 'C'
Today number of days = 29(Jan) + 28 (Feb) + (15) Mar = 72 days 10 Weeks + 2 days.
Thus the given date will fall on two days beyond Thursday, that is Saturday.
12.
On 8th February 2005, it was Tuesday. What was the day of the week on 8 February 2004?
Answer: Option 'C'
The year 2004 is a leap year. It has 2 odd days.
The day on 8th Feb, 2004 is 2 days before the day on 8th Feb, 2005
Hence, this day is Sunday.
13.
Which of the following is not a leap year?
Answer: Option 'A'
The century divisible by 400 is a leap year.
The tear 700 is not a leap year
14.
Answer: Option 'B'
Formula:-(Date + Month code + No.of years + No.of leap year + Century code)/7
= (24 + 0 + 11 + 2 + 6)/7 = 43/7 = 1
= Sunday
15.
It was Sunday on January-1-2006. Find the day of the week on January-1-2010?
Answer: Option 'C'
Answer: Option 'C'
On 31st December, 2005 it was Saturday.
Number of odd days from the year 200 to the tear 2009 = ( 1 + 1 + 2 + 1 ) = 5days
On 31st December 2009, it was Thursday.
Thus, on 1st Jan, 2010 it is Friday.