Clock Online Quiz
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.
Q 1 - How much time does a watch gain per day, if its hands coincides in every 64 min.?
Answer : B
Explanation
$\left ( \frac{720}{11} - x\right )\times\left ( \frac{60\times24}{x} \right )$ min.
Put x = 64, then $32\frac{8}{11}$ min. is correct.
Q 2 - A clock is started at noon. By 10 minute past 5, the hour hand has turned through?
Answer : C
Explanation
12 hours = 360o
5 hrs.10 min = $\frac{31}{6}$ hrs = 155o
Q 3 - A clock strikes 5 taking 8 sec. In order to strike 9 at the same rate the time taken is
Answer : C
Explanation
Time taken for first interval = 2 sec
Time taken for 8 intervals = 2 × 8 = 16
Q 4 - A clock is started at noon by 15 min past 5, the hour hand has turned through?
Answer : A
Explanation
$\frac{360}{12}$ × $\frac{21}{4}$ = 157$\frac{2}{4}$
Q 5 - How many times in one hour both the hands will coincide each other in between 3 and 4 O`clock?
Answer : A
Explanation
Q 6 - At what time between 4 and 3 O`clock will the hands of a clock point in opposite direction?
A - $\frac{549}{11}$ min past 4
Answer : C
Explanation
(5n + 30 )×$\frac{12}{11}$, n = 4
$\frac{50 \times 12}{11}$ min. past 4 = $\frac{600}{11}$
Q 7 - At what time between 3.30 and 4 O`clock will the hands of a clock be at right angle?
A - 32$\frac{8}{11}$ minute past 3
B - 45$\frac{8}{11}$ minute past 3
Answer : A
Explanation
It is clear from the figure that minute hand has to travel through 30 minute space.
Therefore 30 minute space can be gained in $\frac{12}{11}$ × 30 = 32 $\frac{8}{11}$ minute past 3
Q 8 - If a clock started at noon then what should be the angle at 7.25 pm?
Answer : B
Explanation
(7 + $\frac{25}{12}$) × 30 = $\frac{445}{2}$ = 222$\frac{5}{2}$
Q 9 - A clock was late by 5 minutes at noon on Sunday, but on Friday at 3P.M it is found that clock was fast by 10 minutes. Find the time when time was correct.
Answer : B
Explanation
It is 123 hours from Sunday noon to Friday 3P.M. Therefore clock gained 15 minutes in 123 hrs, thus 5 minute can be gained in $\frac{120}{15}$ × 5 hrs = 40 hrs = on Tuesday at 5 A.M
Q 10 - At which time between 1 O`clock and 2 O`clock will the hands of a clock be together?
A - 7$\frac{5}{11}$ min past 1
B - 8$\frac{5}{11}$ min past 1
Answer : D
Explanation
$\frac{60n}{11} = \frac{60 \times 1}{11} = 5 \frac{5}{11}$
