A) 28.32
C) 28.78
D) 29.27
Total sum of 48 numbers,
= (50 × 30) – (35 +40)
= 1500 – 75
= 1425
Average = <span id="MathJax-Element-1-Frame" class="MathJax" style="outline: none; box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-style: normal; font-variant: inherit; font-weight: normal; font-stretch: inherit; font-size: 14.157px; line-height: normal; font-family: inherit; vertical-align: baseline; display: inline; text-indent: 0px; text-align: inherit; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;" tabindex="0" role="presentation" data-mathml="142548“>1425/48
=29.68
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