UPSC - Aptitude Test - Clocks

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Question - 1

A clock is started at noon.By 10 minutes past 5, the hour hand has turned through

  • A 145o
  • B 150o
  • C 155o
  • D 160o

Question - 2

An accurate clock shows 8'o clock in the morning.Through how many degrees will the hour hand rotate when the clock shows 2'o clock iin the afternoon?

  • A 144o
  • B 150o
  • C 168o
  • D 180o

Question - 3

At 3.40, the hour hand and the minute hand of a clock form an angle of :

  • A 120o
  • B 125o
  • C 130o
  • D 135o

Question - 4

The angle between the minute hand and the hour hand of aclock when the time is 8.30 is :

  • A 80o
  • B 75o
  • C 60o
  • D 105o

Question - 5

The angle between the minute hand the hour hand of a clock when the time is 4.20, is :

  • A 0o
  • B 10o
  • C 5o
  • D 20o

Question - 6

At what angle the hands of a clock are inclined at 15 minutes past 5 ?

  • A \(58\frac { { 1 }^{ o } }{ 2 } \)
  • B 64o
  • C \(67\frac { { 1 }^{ o } }{ 2 } \)
  • D \(72\frac { { 1 }^{ o } }{ 2 } \)

Question - 7

The reflex angle between the hands of a clock of a clock at 10.25 is :

  • A 180o
  • B \(192\frac { { 1 }^{ o } }{ 2 } \)
  • C 195o
  • D \(197\frac { { 1 }^{ o } }{ 2 } \)

Question - 8

How many times do the hands of a clock coincide in a day?

  • A 20
  • B 21
  • C 22
  • D 24

Question - 9

How many times in a day, the hands of a clock are stright?

  • A 22
  • B 24
  • C 44
  • D 48

Question - 10

How many times are the hands of a clock at right angle in a day?

  • A 22
  • B 24
  • C 44
  • D 48