Clock Quizzes Post published:March 26, 2020 Post category:Aptitude Quizzes Post comments:0 Comments 0% 0 votes, 0 avg 0 See time here Aptitude Quizzes Clock Quiz 4Total Questions: 20Time: 60 minutes 1 / 20 Category: Clock QuestionsHow many times are the hands of a clock at right angle in a day? 24 22 44 48 Explanation:In 12 hours, they are at right angles 22 times. In 24 hours, they are at right angles 44 times.2 / 20 Category: Clock QuestionsHow many times in a day, the hands of a clock are straight? 44 24 22 48 Explanation:In 12 hours, the hands coincide or are in opposite direction 22 times. In 24 hours, the hands coincide or are in opposite direction 44 times a day.3 / 20 Category: Clock QuestionsA watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday. When was it correct? 2 p.m. on Wednesday 1 p.m. on Friday 2 p.m. on Tuesday 3 p.m. on Thursday Explanation:Time from 12 p.m. on Monday to 2 p.m. on the following Monday = 7 days 2 hours = 170 hours. The watch gains2 + 44min.or34min. in 170 hrs.55Now,34min. are gained in 170 hrs.5 2 min. are gained in170 x5x 2hrs= 50 hrs.34 Watch is correct 2 days 2 hrs. after 12 p.m. on Monday i.e., it will be correct at 2 p.m. on Wednesday.4 / 20 Category: Clock QuestionsAt what times between 5 O’ clock and 6 O’ clock the hands of a clock are 10 minute spaces apart? 16(4/11)min. past 5 ,38(2/11)min. past 5 18(4/11)min. past 5 ,36(2/11)min. past 5 16(4/11)min. past 5 ,38(2/11)min. past 5 16(4/11)min. past 5 ,38(2/11)min. past 5 Explanation:Between 5 O’ clock and 6 O’ clock, the hands will be 10 minutes spaces apart twice, i.e. when the minute hand is 10 minute spaces behind the hour hand and when the minute hand is 10 minute space ahead of the hour hand.Case 1: When the minute hand is 10 minutes spaces behind the hour hand;At 5 O’ clock, the minute hand is 25 minute spaces behind the hour hand.So, the minute hand has to gain (25-10) = 15 minute spaces over hour hand to be 10 minute spaces apart.Now, 55 minute spaces are gained in 60 minutes.15 minute spaces will be gained in * 15 = 16 minutes∴The hands of the clock will be 10 minute spaces apart at 16 minutes past 5.Case 2: When the minute hand is 10 minute spaces ahead of the hour hand.The minute hand has to gain (25 + 10) = 35 minute spaces over the hour hand.Now, 55 minutes are gained in 60 minutes.35 minutes will be gained in * 35 = 38 minutes∴ The hands of the clock will be 10 minute spaces apart at 38 minutes past 5.5 / 20 Category: Clock QuestionsA clock is set at 4am. It loses 16 minutes in 24 hours. What will be the correct time when the clock indicates 9pm on the 4th day? 8pm 9pm 10pm 11pm Explanation:Time from 4am on a day to 9pm on the 4th day = 89 hoursAs per the question, 23 hrs 44 minutes of this clock = 24 hours of the correct clock as this clock loses 16 minutes in 24 hours.23 hrs 44 minutes =Now, Hrs of this clock = 24 hours of correct clock89 hours of this clock = * 89 = 90 hours of the correct clock, i.e. the correct clock gains one hour over the incorrect clock.∴The correct time on the fourth day would be 10pm.6 / 20 Category: Clock QuestionsAn accurate clock indicates 8 O’ clock in the morning. Through how many degrees the hour hand turns when the clock indicates 3 O’ clock in the afternoon? 270° 150° 210° 225° Explanation:There are 7 hours between 8 O’ clock in the morning and 3 O’ clock in the afternoon.Now, angle traced by the hour hand in 12 hours = 360°∴ Angle traced by the hour hand in 7 hours =7 / 20 Category: Clock QuestionsHow much does a watch lose per day, if its hands coincide every 63 minutes? 55min 54min 57min 56min Explanation:|The hands of a clock coincide once after 65 minutes in every hour.As per question, the hands coincide in every 63 minutes.Therefore, the loss in 63 minutes = Now, loss in 63 minutes = ∴ Loss per day or in 24 hours=8 / 20 Category: Clock QuestionsAt what time between 9 and 10 o'clock will the hands of a watch be together? 45 min. past 9 50 min. past 9 49(1//11) min. past 9 48(2//11) min. past 9 Explanation:To be together between 9 and 10 o'clock, the minute hand has to gain 45 min. spaces.55 min. spaces gained in 60 min.45 min. spaces are gained in60x 45min or 491min.5511 The hands are together at 491min. past 9.119 / 20 Category: Clock QuestionsAt what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other? 13(4/11)" 16(4/11)" 12(4/11)" 5(1/11)" Explanation:At 3 o'clock, the minute hand is 15 min. spaces apart from the hour hand.To be coincident, it must gain 15 min. spaces.55 min. are gained in 60 min.15 min. are gained in60x 15min=164min.5511 The hands are coincident at 164min. past 3.1110 / 20 Category: Clock QuestionsHow many times the hands of a clock coincide in a day? 24 44 22 48 Explanation:The hands of a clock coincide only once between 11 O’ clock and 1 O’ clock, so in every 12 hours, the hands of a clock will coincide for 11 times.∴ In a day or 24 hours, the hands of a clock will coincide for 22 (11+11) times11 / 20 Category: Clock QuestionsHow many times do the hands of a clock coincide in a day? 24 20 22 25 Explanation:The hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o'clock).AM12:001:052:113:164:225:276:337:388:449:4910:55PM12:001:052:113:164:225:276:337:388:449:4910:55The hands overlap about every 65 minutes, not every 60 minutes. The hands coincide 22 times in a day12 / 20 Category: Clock QuestionsHow many times in a day, are the hands of a clock in straight line but opposite in direction? 48 22 24 44 Explanation:The hands of a clock point in opposite directions (in the same straight line) 11 times in every 12 hours. (Because between 5 and 7 they point in opposite directions at 6 o'clcok only).So, in a day, the hands point in the opposite directions 22 times.13 / 20 Category: Clock QuestionsThe angle between the minute hand and the hour hand of a clock when the time is 8.30, is: 75° 60° 80° 90° Angle traced by hour hand in17hrs =360x17°= 255°.2122Angle traced by min. hand in 30 min. =360x 30°= 180°.60 Required angle = (255 - 180)° = 75°.14 / 20 Category: Clock QuestionsAt what time between 4:30 and 5:00 will the hands of a clock be at right angle? 39min. past 4 38min. past 4 37min. past 4 35min. past 4 Explanation:As we know, the hands of a clock will be at 90° between H: 30 and (H+1) O’clock at (5H + 15) minutes past H O’ clock.∴ Required time = (5H + 15) Now, H = 4= (5*4 + 15) = 20 + 15 * 15 / 20 Category: Clock QuestionsAt what time between 4 o’clock and 5 O’ clock will the hands of a clock coincide? 19minutes past 4 20minutes past 4 22minutes past 4 21minutes past 4 Explanation:At 4 O’ clock, the minute hand is 20 minute spaces behind the hour hand. To coincide with the hour hand, it has to gain 20 minute spaces.Now, 55 minute spaces are gained by the minute hand in 60 minutes20 minutes will be gained in ∴ The hands will coincide at 21 minutes past 4.Solution 2:Apply formula: minutes past H O’ clockNow, H = 4 O’ clock∴Required time =16 / 20 Category: Clock QuestionsAt what time between 3 and 4, the hands of a clock are straight and point in opposite directions? 42min. past 3 45min. past 3 51min. past 3 49min. past 3 Explanation:At 3 O’ clock, the hands of the clock are 15 minute spaces apart. To be in straight line and in opposite directions, the hands must be 30 minutes spaces apart.Now, the minute hand is 15 minute spaces behind the hour hand, so it has to gain 45 (15+30) minute spaces over the hour hand.55 minute spaces are gained in 60 minutes by the minute hand45 minutes will be gained in =* 45 minutes minutes past 3.Solution 2:Apply formula: (5H + 30) minutes past H, when H < 6As per the question, H = 3 O’ clockRequired time = (5*3 + 30) =(15+30) =45 *17 / 20 Category: Clock QuestionsWhat is the angle between hour hand and minute hand of a clock at 3.30? 70° 75° 80° 65° Explanation:Angle traced by the hour hand in 12 hours = 360°Angle traced by the hour hand in 3 hours 30 minutes =Angle traced by minute hand in 60 minutes = 360°Angel traced by minute hand in 30 minutes = ∴ Required angle would be = (180 – 105)° = 75°18 / 20 Category: Clock QuestionsAn accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon? 120° 144° 150° 180° Explanation:Angle traced by the hour hand in 6 hours =360x 6°= 180°.1219 / 20 Category: Clock QuestionsAt what time between 4 and 5 o'clock will the hands of a watch point in opposite directions? 45 min. past 4 40 min. past 4 54(6/11) min. past 4 50(4/11) min. past 4 At 4 o'clock, the hands of the watch are 20 min. spaces apart.To be in opposite directions, they must be 30 min. spaces apart. Minute hand will have to gain 50 min. spaces.55 min. spaces are gained in 60 min.50 min. spaces are gained in60x 50min. or 546min.5511 Required time = 546min. past 4.1120 / 20 Category: Clock QuestionsA watch which gains uniformly is 5 minutes slow at 6am on Monday and is 5 minutes 48 seconds fast at 6pm on the following Monday. When was it correct? 5:20 pm on Wednesday 5:20 pm on Thursday 4:20 pm on Wednesday 4:20 pm on Thursday Explanation:Time from 6am on Monday to 6pm on following Monday = 7 days and 12 hours, i.e. 24*7 + 12 = 180 hoursSo, the watch gains minutes in 180 hoursNow, minutes are gained in 180 hours∴ 5 minutes will be gained in hours or 83 hours 20 minutes.83 hour 20 minutes = 3 days (72 hours) 11 hours 20 minutesTherefore, the watch was correct 3 days 11 hours 20 minutes after 6am on Monday, i.e. it was correct at 20 minutes past 5pm on Thursday. 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