The length of five girls in a group are 150cm, 140cm,146cm, 154cm and 148cm then mean height is
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Mean of the height s of six girls = 148 cm. <br> Sum of the heights of six girls == 888 cm <br> Sum of the heights of the five grils <br> = (150 +154+146+142+145)cm = 737 cm <br> Height of the sixth girl = (888 -737) cm = 151 cm <br> Hence, the height of the sixth girl is 151 cm
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