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The marks scored by 30 students in a mathematics test are recorded in the table below:
| Scores (mark) | 1 | 2 | 3 | 4 | 5 | |
| No of students | 4 | 3 | 7 | 8 | 6 | 2 |
What is the total number of marks scored by the children?
- A. 75
- B. 15
- C. 82
- D. 63
QUICK ANSWER…
A
SOLUTION…
The total number of marks scored by the students will be equal to the summation of all the marks scored by all the students.
0 + 3 + 14 + 24 + 24 + 10 = 75
Now for the right answer to the above question:
- Option A is correct.
- Option B is incorrect.
- C is incorrect.
- D is not the correct answer.
QUICK TIPS…
You may please note these/this:
- Remember, each mark appears more than once, when calculating the total number of marks, we multiply each mark by the number of times it appears, and then add them all up.
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/ culled from 2019 JAMB-UTME mathematics question 20 /
The marks scored by 30 students in a mathematics test... » QuizTablet
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