# Clocks and Calendars Quiz Set 38

### Question 1

Phone calls arrive at regular intervals of 35 minutes. The last phone rang 18 minutes ago The next event is due at 10::35 AM. What is the time now?

A

10::18 AM.

B

10::20 AM.

C

10::16 AM.

D

10::15 AM.

Soln.
Ans: a

The last event took place at 10::35 AM - 35 minutes, i.e., at 10::00 AM, which was 18 minutes earlier from now. So the time now is 10::00 AM + 18 mins = 10::18 AM.

### Question 2

I found that I was one and a half hour earlier than the scheduled time of the train which was 6::20 hours. I had reached the station at.

A

4-40 hours.

B

5-10 hours.

C

4-50 hours.

D

5-20 hours.

Soln.
Ans: c

The scheduled time of train was.

6:20 - 1:30 = 4.50.

### Question 3

Three comets appear in the sky at regular periods of 9, 18 and 27 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

9 years.

B

28 years.

C

27 years.

D

18 years.

Soln.
Ans: a

The least of the given time periods is 9. So this is the minimum waiting time.

### Question 4

An event occurs at regular intervals of 40 minutes. The last event occured 17 minutes ago The next event is due at 02::20 PM. What is the time now?

A

01::57 PM.

B

01::59 PM.

C

01::56 PM.

D

01::53 PM.

Soln.
Ans: a

The last event took place at 02::20 PM - 40 minutes, i.e., at 01::40 PM, which was 17 minutes earlier from now. So the time now is 01::40 PM + 17 mins = 01::57 PM.

### Question 5

How many hours are there between 2::07 A.M. to 7::42 P.M.

A

17::35.

B

18::34.

C

16::33.

D

19::36.

Soln.
Ans: a

Minutes from 2::07 A.M. to 3::00 A.M. are 60 - 7 = 53. Minutes from 3::00 A.M. to 12::00 noon are 60 X 9 = 540 mins. Minutes from 12::00 noon to 7::42 P.M. are 60 x 7 = 420 + 42 = 462 mins. So total minutes are 53 + 540 + 462 = 1055 minutes, which are equal to 60 X 17 + 35 Thus, hours are = 17, and minutes = 35 This Blog Post/Article "Clocks and Calendars Quiz Set 38" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-03-09