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Clocks: 10 Class DAY-1

The document contains 15 multiple choice questions about angles between clock hands at different times of day. It tests understanding of how often the hands overlap, are at 90 degrees, or are in a straight line but not together. It also tests calculating specific angles between the hands for times like 2:25pm, 7:20pm, 10 minutes to 7, and 25 minutes to 8. The key is provided with the correct answer for each question.

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Ch.Vishnu Suhas
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77 views1 page

Clocks: 10 Class DAY-1

The document contains 15 multiple choice questions about angles between clock hands at different times of day. It tests understanding of how often the hands overlap, are at 90 degrees, or are in a straight line but not together. It also tests calculating specific angles between the hands for times like 2:25pm, 7:20pm, 10 minutes to 7, and 25 minutes to 8. The key is provided with the correct answer for each question.

Uploaded by

Ch.Vishnu Suhas
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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10th Class

DAY-1 CLOCKS
1. How many times in a day, the two hands of a clock coincide?
(A) 11 (B) 12 (C) 22 (D) 24

2. How many times in a day, the two hands of a clock are at 90 ?
(A) 4 (B) 12 (C) 22 (D) 44

3. How many times in a day the hands of the clock are in a straight line but not together?
(A) 24 (B) 22 (C) 12 (D) 11

4. When the clock shows time 25 minutes past 2, the angle between the hands is:
(A) 75  
(B) 67 1/2 (C) 77 1/2 (D) 65

5. When the time by the watch is 20 minutes past 7, the angle between the hands of the watch is:
(A) 100 (B) 90 (C) 80 (D) 95

6. The time by my watch is 10 minutes to 7, find the angle between the hour hand and the minute hand.
(A) 110 (B) 120 (C) 105 (D) 95

7. Find the angle between the hour hand and the minute hand of a clock when the time is 25 minutes
to 8
(A) 12 1/2 (B) 17 1  (C) 20 (D) 22 1 
2 2

8. When the time is 4:20, the angle between the hands of the clock is:
(A) 20 (B) 15 (C) 12 1  (D) 10
2

9. The reflex angle between the hands of the clock at 10:25 is


(A) 180 (B) 192 1  (C) 195 (D) 197 1 
2 2

10. At what time between 2 and 3 O’clock will the hands of a clock be together?
10 10 10 10
(A) 10 min. past 2 (B) 11 min. past 2 (C) 13 min. past 2 (D) 7 min. past 2
11 11 11 11

11. At what time between 4 and 5 O’clock will the hands of a clock be at right angle for the first time/
5 5 5 7
(A) 9 min. past 4 (B) 5 min. past 4 (C) 11 min. past 4 (D) 9 min. past 4
11 11 11 11
12. Find the time between 8 and 9 O’clock when the hands of clock be in the same straight line but not together.
9 10 10
(A) 10 min. past 8 (B) 10 min. past 8 (C) 11 min. past (D) none of these
11 11 11
13. If a mirror is placed opposite to a clock and the time shown in the clock is 4:30, then what will be time in the
mirror’s clock?
(A) 8:30 (B) 9:30 (C) 7:30 (D) 4:30
14. At 12 O’clock, the minute hand is point east. At 4:30, in which direction will the hour hand point?
(A) north-west (B) south-east (C) south (D) south-west

15. Between 7 and 8 O’clock, when the hands will be inclined at 60 for the first time?
1 3 10
(A) 49 min. past 7 (B) 27 min. past 7 (C) 12 min. past 4 (D) 9 min. past 4
11 11 11

KEY
1. C 2. D 3. B 4. C 5. A 6. D 7. B
8. D 9. D 10 B 11. B 12. B 13. A 14. D
15. B

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