Calendar and Clock

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Which of the following is a leap year?

A)
1800

B)
2200

C)
2400

D)
All the above


Correct Answer :

2400


Explanation :

Every year divisible by 4 is a leap year. But if a year that is evenly divisible by 4 and 100 ,is a leap year only if it is also evenly divisible by 400.

1800 and 2200 , divisible by 4 and 100 but not evenly divisible by 400.

If 10th August, 2001 was Tuesday, which day was fall on 25th September, 2002 ?

A)

Thursday


B)

Wednesday


C)

Saturday


D)

Sunday



Correct Answer :

Sunday


Explanation :

As per the question on 10th August, 2001 was Tuesday.
Because 2001 is an ordinary year. So, it has 1 odd day.

Hence, the day on 10th August, 2002 will be Wednesday (Tuesday + 1 odd day)

Remaining days until 25th September, 2002
August(10 to 31) =21 days
September = 25 days
Total days = 46

Because the day repeats after 7 days.
Therefore, the day on 25th September, 2002 will be
=> 46 = (6*7) + 4
=> Wednesday + 4
=> Sunday

A clock buzzes 1 time at 1 O’clock, 2 times at 2 O’clock, 3 times at 3 O’clock and so on. What will be the total number of buzzes by the clock in a day?

A)
150

B)
156

C)
100

D)
None of these


Correct Answer :

156


Explanation :

The 24 hours in a day therefore the total number of buzzes = (1+2+3+4+5+6+7+8+9+10+11+12)+(1+2+3+4+5+6+7+8+9+10+11+12)

as (1 + 2 + 3 +…. + n) =n(n+1)/2
So total number of buzzes = (12*(1+12)/2) + (12*(1+12)/2) = 78+78 =156

If 1st January, 2012 is Friday, then what day of the week lies on 1st January, 2013?

A)
Saturday

B)
Wednesday

C)
Sunday

D)
Monday


Correct Answer :

Sunday


Explanation :

Odd days of the mentioned year = 2 (Since 2012 is an Leap year)
Hence First day of the next year = (Friday + 2 Odd day) = Sunday

If 23rd November of a certain year is Wednesday then which day will it be on 25 December of the same year?/ यदि किसी वर्ष 23 नवंबर को बुधवार है , तो उसी वर्ष 25 दिसंबर को कौन­सा दिन होगा?

Wednesday/बुधवार
Monday/सोमवार
Tuesday/मंगलवार
Sunday/रविवार


Correct Answer :Sunday/रविवार

How many times do the hands of a clock point towards each other in day?

A)
12

B)
22

C)
20

D)
24


Correct Answer :

22


Explanation :

The hands of a clock point towards each other 11 times in every 12 hours.
In 12 hours , it happens 11 times .

So, in a day(24 hours) the two hands point towards each other(11+11), 22 times

If the time in the clock is 4:46, then what is the mirror image of it?

A)
7:14

B)
8:16

C)
9:17

D)
10:18


Correct Answer :

7:14


Explanation :

11: 60 - 4: 46 = 7: 14
or
12: 00 - 4: 46 = 7: 14

It shows 7 hours 48 minutes in the mirror

Note: - Mirror Image Of Clock
If the time is between 1 to 11 o'clock then to find the mirror image, time is subtracted by 11 : 60
If the time is between 11 to 1 then to find the mirror image, time is subtracted by 23 : 60

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