What will be angle between the two hands of a clock at 10.25 pm? A. 120° B. 162.5° C. 146.5° D. 126.45° Answer Workspace Report Discuss Answer with explanation Answer: Option B Explanation Workspace
A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day? A. 1pm B. 12 pm C. 2 pm D. 11 pm Answer Workspace Report Discuss Answer with explanation Answer: Option D Explanation Time from 5 am. on a day to 10 pm. on 4th day = 89 hours. Now 23 hrs 44 min. of this clock = 24 hours of correct clock. 356/15 hrs of this clock = 24 hours of correct clock 89 hrs of this clock = (24 x 31556 x 89) hrs of correct clock. = 90 hrs of correct clock. So, the correct time is 11 p.m. Workspace
The edge between the moment hand and the hour hand of a clock when the time is 4.20, is A. 10° B. 0° C. 20° D. 5° Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Angle followed by hour hand in 13/3 hrs. =(360/12*13/3)°= 130° Point followed by min. hand in 20 min. = (360/60*20)°= 120° ∴ Required point = (130-120)°= 10° Workspace
How many times are the hands of a clock at right angle in a day? A. 22 B. 44 C. 24 D. 48 Answer Workspace Report Discuss Answer with explanation Answer: Option B Explanation In 12 hours, they are at right angles 22 times. ∴ In 24 hours, they are at right angles 44 times. Workspace
What when the time is 6:32, then what is the angle b/w the hour hand & the minute hand of a clock? A. 8° B. 12° C. 4° D. 2° Answer Workspace Report Discuss Answer with explanation Answer: Option C Explanation Formula used = θ = 30H – (11/2)M where, H= hours, M= minutes H= 6 , M= 32 Required angle, θ = 30×6 – (11/2)32 = 4° Workspace
