Logical Reasoning

Clocks & Calendar

Medium

At 9:42 A.M., through how many degrees the hour hand of a clock moved since noon the previous day?

651

512

646

649

✅ Correct Option: 1

From noon on the previous day to 9:42 A.M. is 21 hours 42 minutes, that is $21.7$ hours.

The hour hand turns $30^\circ$ per hour, so the rotation is $21.7 \times 30 = 651^\circ$ .

2025: 14 May Shift 2

It was Monday on January 1, 2007. What was the day of the week on January 1, 2011?

2025: 27 May Shift 2

If the 3rd of June, 2003 was a Tuesday, then what would be the day of the week on the 10th of June 2012?

2025: 22 May Shift 1

What will be the angle between the hands of the clock at 8:30?

2026: 31 May Shift 1

If 27 February 2000 was Sunday, then what was the day of the week on 27 February 2004?

2026: 25 May Shift 1

In an ordinary clock, the minute hand would have moved how many degrees over a period of exactly 2 hours and 20 minutes?

2026: 12 May Shift 1

If it was a Wednesday on January 1, 2020, what was the day of the week on January 1, 2021?

Solution