RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 54 of 120

Marks: +1, -0

Find the angle between the hour hand and the minute hand of a clock when the time is 3.25.

Solution:

41/12

hrs

= ( { 360 }/ { 12 } × { 41 } /{ 12 } ) ^ { °} = 102 { { 1 }/ { 2 }} ^ { ° }

Angle traced by it in 25 min.

= ( { 360 }/ { 60 } × 25 ) ^ { ° } = 150 ^ { ° }

Required angle

= ( 150 ^ {°} × 102 { { 1 }/ { 2 } }^ { ° } ) = 47 { 1 ^ { ° } } /{ 2 }

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