Calendar Aptitude questions 1
Questions by Rejinpaul.com
1. It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
a).Sunday
b)Saturday
c)Friday
d)Wednesday
The Correct Answer is:
c)Friday
Explanation:
Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days.
On 31st December 2009, it was Thursday.
Thus, on 1st Jan, 2010 it is Friday.
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2. What was the day of the week on 28th May, 2006?
a)Thursday
b)Friday
c)Saturday
d)Sunday
The Correct Answer is:
d)Sunday
Explanation:
28 May, 2006 = (2005 years + Period from 1.1.2006 to 28.5.2006)
Odd days in 1600 years = 0
Odd days in 400 years = 0
5 years = (4 ordinary years + 1 leap year) = (4 x 1 + 1 x 2) 6 odd days
Jan. Feb. March April May (31 + 28 + 31 + 30 + 28 ) = 148 days
148 days = (21 weeks + 1 day) 1 odd day.
Total number of odd days = (0 + 0 + 6 + 1) = 7 0 odd day
.Given day is Sunday
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3. Today is Monday. After 61 days, it will be:
a)Wednesday
b)Saturday
c)Tuesday
d)Thursday
The Correct Answer is:
b)Saturday
Explanation:
Each day of the week is repeated after 7 days.
So, after 63 days, it will be Monday.
After 61 days, it will be Saturday.
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4. If 6th March, 2005 is Monday, what was the day of the week on 6th March, 2004?
a)Sunday
b)Saturday
c)Tuesday
d)Wednesday
The Correct Answer is:
a)Sunday
Explanation:
The year 2004 is a leap year. So, it has 2 odd days.
But, Feb 2004 not included because we are calculating from March 2004 to March 2005. So it has 1 odd day only.
The day on 6th March, 2005 will be 1 day beyond the day on 6th March, 2004.Given that, 6th March, 2005 is Monday.
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5. On what dates of April, 2001 did Wednesday fall?
a)1st, 8th, 15th, 22nd, 29th
b)2nd, 9th, 16th, 23rd, 30th
c)3rd, 10th, 17th, 24th
d)4th, 11th, 18th, 25th
The Correct Answer is:
d)4th, 11th, 18th, 25th
Explanation:
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
Odd days in 400 years = 0
an. Feb. March April(31 + 28 + 31 + 1) = 91 days 0 odd daysTotal number of odd days = (0 + 0 + 0) = 0
On 1st April, 2001 it was Sunday..
In April, 2001 Wednesday falls on 4th, 11th, 18th and 25th.
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6. The last day of a century cannot On what dates of April, 2001 did Wednesday fall?
a)Monday
b)Wednesday
c)Tuesday
d)Friday
The Correct Answer is:
c)Tuesday
Explanation:
.100 years contain 5 odd days.
Last day of 1st century is Friday.
200 years contain (5 x 2) 3 odd days.
Last day of 2nd century is Wednesday.
300 years contain (5 x 3) = 151
odd day.Last day of 3rd century is Monday.
400 years contain 0 odd day.
Last day of 4th century is Sunday.
This cycle is repeated.
Last day of a century cannot be Tuesday or Thursday or Saturday.
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7. On 8th Feb, 2005 it was Tuesday. What was the day of the week on 8th Feb, 2004?
a)Tuesday
b)Monday
c)Sunday
d)Wednesday
The Correct Answer is:
c)Sunday
Explanation:
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.
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8. The calendar for the year 2007 will be the same for the year:
a)2014
b)2016
c)2017
d)2018
The Correct Answer is:
d)2018
Explanation:
Count the number of odd days from the year 2007
Odd day : 1 2 1 1 1 2 1 1 1 2 1
Sum = 14 odd days 0 odd days.
Calendar for the year 2018 will be the same as for the year 2007.
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9. Which of the following is not a leap year?
a)700
b)800
c)1200
d)2000
The Correct Answer is:
a)700
Explanation:
The century divisible by 400 is a leap year.
The year 700 is not a leap year.
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10. On 8th Dec, 2007 Saturday falls. What day of the week was it on 8th Dec, 2006?
a)Sunday
b)Thursday
c)Tuesday
d)Friday
The Correct Answer is:
d)Friday
Explanation:
.The year 2006 is an ordinary year. So, it has 1 odd day.
But, 8th Dec, 2007 is Saturday.
8th Dec, 2006 is Friday
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11. What was the day of the week on 17th June, 1998?
a)Monday
b)Tuesday
c)Wednesday
d)Thursday
The Correct Answer is:
d)Thursday
Explanation:
28 May, 2006 = (2005 years + Period from 1.1.2006 to 28.5.2006)
Odd days in 1600 years = 0
Odd days in 400 years = 0
5 years = (4 ordinary years + 1 leap year) = (4 x 1 + 1 x 2) 6 odd days
Jan. Feb. March April May
(31 + 28 + 31 + 30 + 28 ) = 148
148 days = (21 weeks + 1 day) 1 odd day.Total number of odd days = (0 + 0 + 6 + 1) = 7 0 odd day.
Given day is Sunday.
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12. January 1, 1992 was a Wednesday, What day of the week will it be on January 1, 1993?
a)Monday
b)Sunday
c)Tuesday
d)Friday
The Correct Answer is:
d)Friday
Explanation:
1992 being a leap year, it has 2 odd days.
So, the first day of the year 1993 will be two days beyond Wednesday i.e., it will be Friday.
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13. The last day of a century cannot be:
a) Monday
b) Friday
c) Wednesday
d) Tuesday
The Correct Answer is:
d) Tuesday
Explanation:
100 years contain 5 odd days. So, last day of 1st century id ‘Friday’.
200 years contain (5 x 2) = 10 odd days = 3 odd daysSo, last day of 2nd century is ‘Wednesday’300 years contain (5 x 3) = 15 odd days = 1 odd day.
Last day of 3rd century is ‘Monday’.400 years contain 0 odd day.
Last day of 4th century is ‘Sunday’Since the order is continually kept in successive cycles,we see that the last day of a century cannot be Tuesday, Thursday or Saturday
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14. The year next to 1991 having the same calendar as that of 1990 is:
a) 1998
b) 2002
c) 2001
d) 2003
The Correct Answer is:
c) 2001
Explanation:
We go on counting the odd days from 1991 onwards till the sum is divisible by 7. The number of such days are 14 upto the year 2001.
So, the calendar for 1991 will be repeated in the year 2002.
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15. Today is Friday. After 62 days, it will be:
a) Saturday
b) Tuesday
c) Monday
d) Thursday
The Correct Answer is:
d) Thursday
Explanation:
Each day of the week is repeated after 7 days. So, after 63 days, it will be Friday.
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16. The year next to 1990 having the same calendar as that of 1988 is:
a) 1990
b) 1993
c) 1992
d) 1995
The Correct Answer is:
c) 1992
Explanation:
Starting with 1988, we go on counting the number of
Year 1988 1989 1990 1991 1992
Odd days 2 1 1 1 2
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17. Smt. Indira Gandhi died on 31st October, 1984. The day of the week was:
a) Monday
b) Wednesday
c) Tuesday
d) Friday
The Correct Answer is:
c) Tuesday
Explanation:
Also, 83 years contains 20 leap and 63 ordinary years and therefore, (40 + 0) odd days
i.e., 5 odd days.1983 years contain (0 + 1 + 5)
i.e., 6 odd daysNumber of days from Jan.
1984 to 31st Oct
1984= (31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31)= 305 days= 4 odd days
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18. The number of odd days in a leap year is
a) 1
b) 3
c) 2
d) 4
The Correct Answer is:
b) 3
Explanation:
A leap year has (52 weeks + 2 days).
So, the number of odd days in a leap year is 2.
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19. How many days are there from 2nd January 1993 to 15th March 1993?
a) 72
b) 74
c) 73
d) 71
The Correct Answer is:
c) 73
Explanation:
.Jan., Feb.,
March30 + 28 + 15 = 73 days
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20. Today is Friday. After 62 days it will be :
a) Friday
b) Saturday
c) Thursday
d) Monday
The Correct Answer is:
b) Saturday
Explanation:
Each day of the week is repeated after 7 daysAfter 63 days, it would be FridaySo, After 62 days, it would be Thursday
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