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The following table shows number of working hours and number of employees employed in a small scale industry
No. of working hours No. of employees
3 - 5 7
5 - 7 10
7 - 9 18
9 - 11 57
11 - 13 14
13 - 15 8

The average number of working hours of an employee is


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The arithmetic mean of the series 1, 2, 4, 8, 16, . . . . . . , 2<sup>n</sup> is -

The following table shows number of working hours and number of employees employed in a small scale industry
No. of working hours No. of employees
3 - 5 7
5 - 7 10
7 - 9 18
9 - 11 57
11 - 13 14
13 - 15 8

The average number of working hours of an employee is

In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun’s weight is greater is that 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of different probable weights of Arun?

The following table shows the number of working hours and the number of employees employed in a small scale industry<br> <table class="table-style-1" style="text-align:center"> <tr> <td>No. of working hours </td> <td>No. of employees </td> </tr> <tr> <td>3 - 5 </td> <td>7</td> </tr> <tr> <td>5 - 7 </td> <td>10</td> </tr> <tr> <td>7 - 9 </td> <td>18</td> </tr> <tr> <td>9 - 11 </td> <td>57</td> </tr> <tr> <td>11 - 13 </td> <td>14</td> </tr> <tr> <td>13 - 15 </td> <td>8</td> </tr> </table> <br> The average number of working hours of an employee is

Averages Aptitude Questions

Arithmetic-Aptitude