Clock - Arithmetic Aptitude Questions and Answers

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

180°

192 $\frac { 1^o } { 2 }$

195°

197 $\frac { 1^o } { 2 }$

Answer : Option D

Explanation :

Angle traced by hour hand in $\frac { 125 } {1 2 }$ hrs=[ $\frac { 360 } {1 2 }$ x $\frac { 125 } {1 2 } ]^o$ =312 $\frac { 1^o } { 2 }$

Angle traced by minute hand in 25 min =[ $\frac { 360 } {1 2 }$ x $25 ]^o$ = $150^o$

Reflex angle = 360°- $[312\frac { 1 } { 2 } -150]^o$ -162 $\frac { 1^o } { 2 }$ =197 $\frac { 1^o } { 2 }$

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