calendar aptitude questions – Free Online Questions and Answers

If 6^th March, 2005 is Monday, what was the day of the week on 6^th March, 2004?

A.	Sunday	B.	Saturday
C.	Tuesday	D.	Wednesday

Answer & Explanation

Answer: Option A

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 6^th March, 2005 will be 1 day beyond the day on 6^th March, 2004.

Given that, 6^th March, 2005 is Monday.

6^th March, 2004 is Sunday (1 day before to 6^th March, 2005).

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On what dates of April, 2001 did Wednesday fall?

A.	1^st, 8^th, 15^th, 22^nd, 29^th	B.	2^nd, 9^th, 16^th, 23^rd, 30^th
C.	3^rd, 10^th, 17^th, 24^th	D.	4^th, 11^th, 18^th, 25^th

Answer & Explanation

Answer: Option D

Explanation:

We shall find the day on 1^st April, 2001.

1^st 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. March April
(31 + 28 + 31 + 1) = 91 days 0 odd days.

Total number of odd days = (0 + 0 + 0) = 0

On 1^st April, 2001 it was Sunday.

In April, 2001 Wednesday falls on 4^th, 11^th, 18^th and 25^th.

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How many days are there in x weeks x days?

A.	7x²	B.	8x
C.	14x	D.	7

Answer & Explanation

Answer: Option B

Explanation:

x weeks x days = (7x + x) days = 8x days.

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The last day of a century cannot be

A.	Monday	B.	Wednesday
C.	Tuesday	D.	Friday

Answer & Explanation

Answer: Option C

Explanation:

100 years contain 5 odd days.

Last day of 1^st century is Friday.

200 years contain (5 x 2) 3 odd days.

Last day of 2^nd century is Wednesday.

300 years contain (5 x 3) = 15 1 odd day.

Last day of 3^rd century is Monday.

400 years contain 0 odd day.

Last day of 4^th century is Sunday.

This cycle is repeated.

Last day of a century cannot be Tuesday or Thursday or Saturday.

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10.

On 8^th Feb, 2005 it was Tuesday. What was the day of the week on 8^th Feb, 2004?

A.	Tuesday	B.	Monday
C.	Sunday	D.	Wednesday

Answer & Explanation

Answer: Option C

Explanation:

The year 2004 is a leap year. It has 2 odd days.

The day on 8^th Feb, 2004 is 2 days before the day on 8^th Feb, 2005.

Hence, this day is Sunday.