1.

The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were entered wrongly as 46 and 82. Find the correct average of the 18 observations.

A. <table><tr><td rowspan="2">111</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>7</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
B. 122
C. 123
D. <table><tr><td rowspan="2">137</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td></tr><tr><td style="text-align: center;">9</td></tr></table>
Answer» C. 123


Discussion

No Comment Found

Related MCQs