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

Answer : A

Explanation

At h o' clock, the minutes hand is 5 h minute spaces
behind the hour hand.
The minute hand gains 55 min spaces in 60 mins.

∴ The minute hand will gain 5h minute spaces
in 60/55 * 5h = 60h/11 minutes.

∴ The two hands will be together between
'h' and 'h+1' o' clock at (60/11)h minutes h o' clock.

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 - Find the angle between the two hands of a clock at 15 minutes past 5 o' clock.

A - 30°

B - 35°

C - 67.5°

D - 37.5°

Answer : C

Explanation

At 15 minutes past 5 o' clock, the minute hand is at 3
and hour hand is slightly ahead of 5.

In 60 minutes, the hour hand moves ahead by 300
∴ In 15 minutes, the hour hand moves ahead by = (30/60)*15
= 7.5°

Angle between 3 and 5 hour spaces = 60°.
∴ The total angle between the two hands at
 15 minutes past 5 o' clock = 60 + 7.5 = 67.5°

Q 4 - Find the angle between the two hands of a clock at 5:30 PM.

A - 15°

B - 20°

C - 25°

D - None of these

Answer : A

Explanation

At 5:30 PM, the minute hand is at 6 and hour hand is past 5 but behind 6.
In 60 minutes, the hour hand moves ahead by 30°.
∴ In 30 minutes, hour hour hand moves ahead by
= 30*(30/60)°
= 15°

Angle between 5 and 6 hour spaces = 30°.
Hence, angle between the two hands at 5:30 PM = (30 - 15) = 15°.

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 in a day, the clock's hands are straight?

A - 22

B - 24

C - 44

D - 48

Answer : C

Explanation

In 12 hours, the hands concur or are in inverse heading 22 times.
∴ In 24 hours, the hands concur or are
in inverse heading 44 Times each day.

Q 8 - What number times in a day, are the hands of a check in straight line however in bearing?

A - 22

B - 24

C - 44

D - 48

Answer : A

Explanation

The hands of a check point in inverse headings 11 times in every 12 Hours.
(since somewhere around 5 and 7 they point in inverse headings at 6 o'clock just)
So in a day, the hands point in the inverse headings 22 times.

Q 9 - At what time somewhere around 7 and 8 o'clock will the hands of a be in the Same straight line at the same time, not together?

A - 5 min. Past 7

B - 57/11 min. past 7

C - 58/11 min. past 7

D - 60/11 min. past 7

Answer : D

Explanation

When the check's hands are in the same straight line however not together. 
they are 30 moment spaces separated.
At 7 o' clock, they are 25 min. space separated.
∴ Minute hand will need to increase just 5 min. spaces.
55 min. spaces are picked up in 60 min.
5 min. spaces are picked up in (60/55*5)min=60/11 min.
∴ Required time=60/11 min. past 7.

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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