Aptitude - Clock Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Clock. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Find the angle between the hour hand and the minute hand of a clock when the time is 3.25.

A - 30°

B - 50°

C - 95/2°

D - None of these

Answer : C

Explanation

Angle traced by the hour hand in 12 hours = 360°
Angle traced by it 3 hr 25 minutes i.e 41/12 hrs
= 360°/12 * 41/12 = 105°/2
Similarly, angle traced by min hand in 60 mins = 360°
Angle traced by it in 25 mins = 3600/60 * 25 = 150°

∴ Angle between hour hand and minute hand
= 150° ? 105°/2
= 95°/2

Q 2 - Find the time between 8 and 9 o' clock will the hands of a clock be in the same straight line but not together.

A - 120/11 min to 9

B - 120/11 min past 8

C - 11 min past 8

D - None of these

Answer : B

Explanation

At 8 o? clock, the two hands are 20 min spaces apart.
To be in the same straight line but not together,
they will be 30 min spaces apart.
So, the minute hand will have to gain (30-20)
= 10 minute spaces over the hour hand.

= 60/55 * 10 = 120/11

∴The hands will be in the same straight line
but not together at 120 min past 8.

Q 3 - The minute hand of a clock overtakes the hour hand at interval of 65 minutes of the correct time. How much a day does the clock gain or lose?

A - 10.20 minutes in 24 hours

B - 10.25 minutes in 24 hours

C - 10.23 minutes in 24 hours

D - None of these

Answer : C

Explanation

In a correct clock, the minute hand gains 55 min spaces
over the hour hand in 60 minutes.
To be together again, the minute hand must gain 60 minutes over the hour hand.

55 min are gained in 60 min
60 min are gained in (60/55)*60 = 720/11

But they are together after 65 min.
∴Gain in 65 min = (720/11 ? 65) = 5/11

Gain in 24 hours = [5/11 * (60*24)/65] min
= 440/43 min
= 10.23 minutes.

∴The clock gains 10.23 minutes in 24 hours.

Q 4 - A clock is set comfortable Am. The check picks up 10 minutes in 24 hours. What will be the genuine time when the clock shows 1 pm on the taking after?

A - 58 min. past. 12

B - 48 min. past. 12

C - 38 min. past. 12

D - 28 min. past. 12

Answer : B

Explanation

Time from 8 Am on a day to 1p.m on the accompanying day= 29 hrs.
24 hours 10 min. of this clock = 24 hrs. Of the right clock.
145/6 hrs. of this clock= 24 hrs of the right clock.
29 hrs. of this clock = (24*6/145*29)hrs of the right clock.
= 28 hrs 48 min. of right clock.
∴The right time is 28 hrs 48 min. after 8 am
This is 48 min. past. 12.

Q 5 - A clock is begun at twelve. By 10 min. past 5, the hour hand has turned through:

A - 145°

B - 150°

C - 155°

D - 160°

Answer : C

Explanation

Angle followed by hour hand in 12 hrs =360°
Point followed by hour hand in 5 hrs 10 min.
=31/6 = (360/12*31/6)°= 155°

Q 6 - The point between the moment hand and the hour hand of a clock At the point when the time is 8.30, is:

A - 80°

B - 75°

C - 60°

D - 105°

Answer : B

Explanation

Angle followed by hour hand in 17/2hrs= (360/12*17/2)°= 255°
Point followed by min. hand in 30 min. = (360/60*30)°= 180°
∴ Required Angle = (255-180)°=75°

Q 7 - How commonly do the hands of a check agree in a day?

A - 20

B - 21

C - 22

D - 24

Answer : C

Explanation

The hands of a check match 11 times in at regular intervals.
∴ The hands concur 22 times in a day.

Q 8 - How much does a watch lose every day, if its hands agree each 64 Min?

A - 360/11 min.

B - 401/11 min.

C - 90 min

D - 96 min.

Answer : B

Explanation

55 min. spaces are secured in 60 min.
60 min. spaces are secured in (60/55*60) min. = 720/11 min.
Misfortune in 64 min. = (720/11-64)= 16/11 min.
Misfortune in 24 hrs =(16/11*1/64 *24*60)min.=400/11 min.

Q 9 - At what time, in moment, between 3 o'clock and 4 o'clock, both are unnecessary will match one another?

A - 56/11 past 3

B - 136/11 past 3

C - 147/11 past 3

D - 180/11 past 3

Answer : D

Explanation

At 3 o'clock ,the moment hand is 15 min. spaces a section
Structure the hour hand. To be coincident,
it must pick up 15 min. spaces.
55 min. are picked up in 60 min.
15 min. are picked up in (60/55*15)min.=180/11 min.
∴ The hands are correspondent at 180/11 min. past 3.

Q 10 - A watch picks up 5 sec. in 3 min. was set comfortable am. Toward the evening Of that day, when the watch demonstrated quarter past 4'o clock the Genuine time is:

A - 715/12 min. past 3

B - 4 p.m.

C - 645/11 min. past 3

D - 25/11 min. past 4

Answer : B

Explanation

Time structure 7 a.m. to 4.15 p.m.=9 hrs 15 min=37/4 hrs.
3 min. 5 sec. of this clock=3 min of the right clock.
=> 37/720hrs of this clock =1/2 hrs of the right clock
=> 37/4 hrs of this clock =(1/20*720/37*37/4)hrs of right clock
= 9hrs of the right clock
∴ The right time is 9 hrs after 7 a.m. i.e. 4 p.m.

aptitude_clock.htm
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