Average - Arithmetic Aptitude Questions and Answers

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The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class

47.55 kg

48 kg

48 .55 kg

49.25 kg

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Answer : Option C

Explanation :

Required average = $[\frac { 50.25 *16+45.15*8 } { 16+8 }]$

= $[\frac { 804+36.120 } { 24 } ]$

= $\frac { 1165.20 } { 2 4}$

= 48.55

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