# Clocks and Calendars Quiz Set 17

### Question 1

1. Amit is available at home from 12 noon to 4 p.m. on Tuesday, Thursday and Sunday.
2. His younger brother Dermal is available at home on Monday, Thursday, Friday and Sunday between 10 a.m. to 2 p.m.
3. The eldest brother Raj is available between 9 a.m. to 12 noon on Monday, Wednesday and Thursday and 2 p.m. to 4 p.m. on Friday, Saturday and Sunday.
.

At a time, on which day of a week all the three brothers are available at home?

A

Never available together.

B

Sunday.

C

Thursday.

D

Cannot be determined.

Soln.
Ans: a

Clearly all the three are not available at the same time on any day of the week.

### Question 2

How many degrees does a minute hand sweep in 40 minutes?

A

240°.

B

250°.

C

230°.

D

255°.

Soln.
Ans: a

In 60 mins the angle is 360°. So in 1 min it will sweep by 360/60 = 6°. Therefore in 40 mins it will sweep by 6 x 40 = 240°

### Question 3

Which of these is not a leap year?

A

2044.

B

2175.

C

2200.

D

1902.

Soln.
Ans: a

The year 2044 is a leap year because it is divisible by 4 but not by 100.

### Question 4

Three comets appear in the sky at regular periods of 10, 20 and 30 years respectively. If a comet has passed just now, what is the minimum time that we must wait for a comet to appear in the sky?

A

10 years.

B

31 years.

C

30 years.

D

20 years.

Soln.
Ans: a

The least of the given time periods is 10. So this is the minimum waiting time.

### Question 5

An event occurs at regular intervals of 25 minutes. The last event occured 6 minutes ago The next event is due at 03::20 PM. What is the time now?

A

03::01 PM.

B

03::02 PM.

C

03::00 PM.

D

02::58 PM.

Soln.
Ans: a

The last event took place at 03::20 PM - 25 minutes, i.e., at 02::55 PM, which was 6 minutes earlier from now. So the time now is 02::55 PM + 6 mins = 03::01 PM.