Calendar
A calendar is a specific measure of time. The smallest unit of calendar is a day. A day is an average time in which the earth completes one round on its axis. The time in which the earth travels around the sun is known a solar year.One must remember the following points pertaining to a calendar:
(i) A solar year has 365 days 5 hours 48 minutes and 48 seconds. An ordinary year has 365 days. In order to remove this difference, every fourth year has 366 days and every fourth century is a leap year but no other century is a leap year.(ii) The number of days more than the complete number of weeks in a given period is the number of odd days for that period.
(iii) In an ordinary year there are 52 weeks and one odd day.
- In a leap year there are 52 weeks and two odd days.
- 100 years contain 5 odd days.
- 200 years contain 3 odd days.
- 300 years contain 1 odd day.
- 400 years contain 0 odd days.
Clock
A clock or a watch is an instrument which shows time at a moment. The following points must be noted:(i) The face or dial of a watch or a clock is a circle which is divided into 60 equal parts.It is called minute spaces
(ii) A clock or a watch has two hands, the smaller one is called hour hand the larger one is called minute hand
(iii) The hours are denoted from 1 to 12 and the minutes are indicated by marking from 1 to 60.
(iv) In one hour the minute hand passes over 60 minute spaces while the hour hand passes over 5 minute spaces. That is, in 60 minutes the minute hand gains 55 minute spaces (= 330°) on the hour hand.
(a) The hands coincide once,
(b) They point in opposite directions once and in this position, they are 30-minute spaces apart.
(c) They are twice at right angles and in these positions, they are 15 minute spaces apart
Solved Questions from Previous Papers
Question. 1
(a) 60°
(b) 45°
(c) 75°
(d) 90°
Question. 2
Question. 3
(a) 3 p.m.
(b) 3.16 p.m.
(c) 2.52 p.m.
(d) 2.40 p.m.
Question. 4
(a) 3.22 p.m.
(b) 3.16 p.m.
(c) 2.52 p.m.
(d) 2.40 p.m.
Question. 5
Question. 6
(a) Loses 90 minutes
(b) Gains 90 minutes
Question. 7
Question. 8
(a)
(b) 12 min past 8
(c) 16 min past 8
(d) 11 min past 8
Question. 9
Question. 10
(a) 4 p.m
(b) 3 p.m.
(c) 1 p.m.
(d) 2 p.m.
Question. 11
(a) Wednesday, 6p.m.
(b) Wednesday, 7p.m.
(c) Thursday, 8 p.m.
(d) Wednesday, 9 p.m
Solutions:
Ans:1 (C)
Ans: 2 (B)
Ans: 3 (C)
Ans: 4 (B)
Ans: 5 (A)
Ans: 6 (D)
Ans: 7 (B)
Ans: 8 (A)
Ans: 9 (A)
Ans: 10 (B)
Ans: 11 (D)
Bank Exams Today Notes
Join 40,000+ readers and get free notes in your email
- http://www.bankexamstoday.com/2017/11/clocks-and-calendars.html
No comments:
Post a Comment