Reasoning :: Binary logic,Clock And Calenders :: Calenders

• Binary logic,Clock And Calenders - Binary logic
• Binary logic,Clock And Calenders - Clock
• Binary logic,Clock And Calenders - Calenders

What day of the week was 18th April 1901?

Answer:

Explanation:

18th April 1901 $\Rightarrow$(1600+300)years+1st Jan to 18 April 1901.

1600 years have -0 odd days

300 years have-1 odd day

The number of days from 1st Jan, 1901 to 18th April 1901 is (31+28+31+18)days

$108 days$$\cong$$ 3$ $ odd days$

$\therefore$Total number of odd days =+31=4

Hence, 18th April 1901 is Thursday

Which year will have the same calender as taht of 2005?

Answer:

Explanation:

Year:2005+2006+2007+2008+2009+2010

Odd days:1+1+1+2+1+1

Total number of odd days from 2005+ 2010 are 7 odd days 

Hence, 2011 will have the same calender as that of 2005.

On which day of the week does 4th June 2001 fall?

Answer:

Explanation:

4th June 2001$\Rightarrow$(200) years+1st Jan to 4th June 2001

we know that 200 years have zero odd days .The number of odd days from 1st Jan to 4th June 2001.

Month: Jan+Feb+Mar+Apr+May+June

Odd day:3+0+3+2+3+4

$\frac{15}{7}=1$odd day

Hence,4th June 2001 was a monday

If 1st April 2003 was monday, then which day of the week will 25th Dec of the same year be?

Answer:

Explanation:

The number of days from 1st April to 25th December

(29+31+30+31+31+30+31+30+25)days=268 days

$=\frac{268}{7}$=$38+2$odd days.

Hence, 25th Dec is two days after mondayie, Wednesday

If 1st Jan 1992 is a Tuesday then which day of the week will 1st Jan 1993 fall?

Answer:

Explanation:

Since 1992 is a leap year there are 2 odd days 

Hence, 1st Jan 1992 is two days after Tuesday ie, Thursday

• Binary logic,Clock And Calenders - Binary logic
• Binary logic,Clock And Calenders - Clock
• Binary logic,Clock And Calenders - Calenders