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Aptitude - 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 - The two hands of a clock will be together between h and (h+1) o'clock at
A - (60/11)h minutes past h o' clock
B - (50/11)h minutes past h o' clock
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.
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?
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?
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 - At 3.40, the hour hand and the moment hand of a clock from a point of
Answer : C
Explanation
Angle followed by hour hand in 12 hours= 360° Point followed by hour it in 11/3 hrs. =(360/12*11/3)= 110° Point followed by moment hand in 60 min. =360° Point followed by it in 40 min. =(360/60*40) = 240° ∴ Required Angle = (240-110)= 130°
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:
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 - The reflex edge between the hands of a clock at 10.25 is:
Answer : D
Explanation
Angle followed by hour hand in 125/12 hrs.=(360/12*125/12)°=625°/2 Edge followed by min. hand in 25 min. =(360/60*25°)= 150° Reflex angle= 360°-(625/2-150)°= 360°-325°/2 = 395°/2
Q 8 - What number times in a day, are the hands of a check in straight line however in bearing?
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 somewhere around 9 and 10 o'clock will the hands of a watch be together?
Answer : C
Explanation
To be as one somewhere around 9 and 10 o'clock, the moment hand needs to pick up 45 min. spaces. 55 min. space are picked up in 60 min. 45 min. space are picked up in (60/55*45) min. or 540/11 min. ∴ The hands are as one at 540/11 min. past 9.
Q 10 - At what time somewhere around 5.30 and 6 will the hand of a clock be at right Points?
Answer : B
Explanation
At 5 o'clock, the hands are 25 min. space separated. To be at right edges and that too somewhere around 5.30 and 6,the moment hand needs to increase (25+15)=40 min. spaces. 55 min. space are gained in 60 min. 40 min. space are picked up in(60/55*40)min.=80/11 min. ∴ Required time =80/11 min. past 5.
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