Name Aman Sudha Vishal Sumedha Sahil Usha Weight (kg) 52.7 54 55.2 57.4 58.7 58
To find the average weight of the given persons, we need to calculate the sum of their weights and then divide by the number of persons. This is a basic arithmetic mean calculation.
| Name | Aman | Sudha | Vishal | Sumedha | Sahil | Usha |
| Weight (kg) | 52.7 | 54 | 55.2 | 57.4 | 58.7 | 58 |
- Calculate the sum of the weights:
\(52.7 + 54 + 55.2 + 57.4 + 58.7 + 58\)
= \(335\) kg
- Count the number of persons:
There are \(6\) persons.
- Calculate the average weight:
\(\text{Average} = \frac{\text{Total sum of weights}}{\text{Number of persons}}\)
\(= \frac{335}{6}\)
\(= 55.8333\ldots\)
- Round the average to the nearest whole number:
The nearest whole number to \(55.83\) is \(56\).
Thus, the average weight of the given persons is approximately 56 kg.
This corresponds to the correct multiple-choice option, 56.
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Important Questions from Average
The average height of 20 students of class 8 is 152 cm and the average height of 15 students of class 9 is 168 cm. What is the average height (to the nearest cm) of the students of both classes?
The average of 4, 6, 8, 12 and x is 7 and the average of x, 9, 13, 15 and y is 9. What is the value of 2x - 3y?
The average weight of 20 girls in a school was 52 kg. Two new students of weight 54 kg and 50 kg were admitted. The ratio of this new average to the old one is:
If the average of two numbers is 13 and the square root of their product is 12, then the difference between the numbers is:
If the average of 5 consecutive odd integers in increasing order is 11 , then the average of the last 3 of them is:
