Question : Study the given table and answer the question that follows.
The table represents the mathematics marks of five students.
| Name | Ajay | Pronoy | Mahendra | Jharna | Dipti |
| Marks | 85 | 72 | 70 | 84 | 94 |
What is the average mark?
Option 1: 77
Option 2: 80
Option 3: 81
Option 4: 78
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Correct Answer: 81
Solution :
Average = $\frac{\text{Sum of terms}}{\text{Number of terms}}$
Average marks = $\frac{85+72+70+84+94}{5}$ = $\frac{405}{5}$ = 81
Hence, the correct answer is 81.
Related Questions
Question : The table given below shows the number of girls in 7 schools.
| Schools | Girls |
| J | 450 |
| K | 1050 |
| L | 550 |
| M | 850 |
| N | 650 |
| P | 250 |
| Q | 150 |
What is the total number of girls in all the schools?
Option 1: 3850
Option 2: 3950
Option 3: 3750
Option 4: 3620
Question : The following table shows the number of children in each house of a society.
| Number of Children | Number of Houses |
| 0 | 4 |
| 1 | 10 |
| 2 | 19 |
| 3 | 3 |
What is the average number of children per house?
Option 1: 1.58
Option 2: 1.83
Option 3: 2.08
Option 4: 1.33
Question : Refer to the following data table and answer the question.
| India's exports in 2015 | Value in millions of US dollars |
| Jewellery | 550 |
| Software | 700 |
| Cotton | 875 |
| Steel | 775 |
| Electronics | 550 |
Exports of software were what percentage of total exports?
Option 1: 20.29%
Option 2: 22.79%
Option 3: 25.29%
Option 4: 17.79%
Question : Refer to the below data table and answer the following question.
| Items | Yearly Expenses in Rs. lakhs |
| Raw Materials | 12 |
| Labor | 6 |
| Rent | 3 |
| Interest | 4 |
| Taxes | 3 |
Raw Materials and Interest are what percent of total expenses?
Option 1: 49.89%
Option 2: 42.64%
Option 3: 64.39%
Option 4: 57.14%
Question : Given below is the observed data on the age of various boys. Study the table carefully and answer the question that follows.
| Age in years | Number of children (Boys) |
| 5 | 8 |
| 6 | 3 |
| 7 | 7 |
| 8 | 2 |
| 9 | 20 |
Calculate the mean age of the boys.
Option 1: 6.57
Option 2: 9.57
Option 3: 7.57
Option 4: 8.57
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