Convert the following times from 24-hour clock to 12-hour clock and vice versa.
a. 2359 , b.0821 , c.12:05 pm , d.1:00 am

Convert the time from 12-hour clock to 24-hour clock and vice versa. a. 3:00 p.m. , b. 10 p.m. , c. 1530 , d.0400 , e. 2350 , f. 1:30 a.m. , g. 6:45 p.m.

Difference between 12-hour clock and 24-hour clock

Convert the following ratios to percentages. a. "7:8" b. "1:12"

Convert the following decimals into like decimals : 8.1, 9.4 , 6.05 , 12

Find the number of right angles and the fraction of one complete clockwise revolution that the hour hand of a clock turns when it moves from: a. 5 to 8 b. 2 to 11. c. 4 to 10.

Find the number of right angles turned through by the hour hand of a clock when it goes from(a) 3 to 6 (b) 2 to 8 (c) 5 to 11(d) 10 to 1 (e) 12 to 9 (f) 12 to 6

Answer the following questions with the help of the railway timetable given below. a. Find the arrival time for the train nos. 3020 and 6385 using the 12-hour clock. b. Find the departure time for the train nos. 3020 and 2946 using the 12-hour clock. Calculate how long the train nos. 2946 and 6385 will stop at the stations.

The graph between object distance u and image distance v for a lens is given below. The focal length of the lens is. (a) 5 pm 0.1 (b) 5 pm 0.05 ( c) 0.5 pm 0.1 (d) 0.5 pm 0.05 . .

Find the angle between the minute hand and hour hand of a clock, when the time is 7:30 pm.

Find the angle between the minute hand and the hour hand of a clock when the time is 7:20 AM.