Question : In a College, the number of students with different majors is as follows.
| Subject | Number of students |
| Mathematics | 45 |
| Physics | 60 |
| History | 30 |
| Hindi | 65 |
| Sanskrit | 45 |
Find the average number of students in each subject.
Option 1: 55
Option 2: 49
Option 3: 42
Option 4: 35
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Correct Answer: 49
Solution :
No. of students in mathematics = 45
No. of students in Physics = 60
No. of students in History = 30
No. of students in Hindi = 65
No. of students in Sanskrit = 45
Total sum of students all numbers = 45 + 60 + 30 + 65 + 45 = 245
Total no. of items in the list = 5
Average formula = $\frac{\text{Total sum of students all numbers}}{\text{ Total no. of items in the list}}$
Average = $\frac{245}{5}$
= 49
Hence, the correct answer is 49.
Related Questions
Question : The ratio of candidates passing and failing within the State.
| State | A | B | C |
| No. of Students (in lakh) |
1.50 | 1.40 | 1.75 |
| State | Passing : Falling |
| A | 6 : 5 |
| B | 3 : 4 |
| C | 8 : 2 |
What is the number of passing students in State B?
Option 1: 0.6 lakh
Option 2: 0.7 lakh
Option 3: 0.4 lakh
Option 4: 0.3 lakh
Question : The following table shows the number of children in each house of a society.
| Number of Children | Number of Houses |
| 0 | 7 |
| 1 | 7 |
| 2 | 13 |
| 3 | 3 |
What is the average number of children per house?
Option 1: 1.65
Option 2: 1.4
Option 3: 1.9
Option 4: 1.15
Question : Direction: Find the missing number from the given alternatives.
| 7 | 10 | 5 |
| 16 | 40 | 8 |
| 15 | ? | 9 |
Option 1: 75
Option 2: 45
Option 3: 20
Option 4: 30
Question : Direction: Select the missing number from the given responses.
| 43 | 25 | ? |
| 21 | 40 | 35 |
| 35 | 34 | 28 |
Option 1: 36
Option 2: 46
Option 3: 40
Option 4: 26
Question : Direction: Find the missing number from the given alternatives.
| 2 | 4 | 0 |
| 1 | 2 | 4 |
| 3 | 1 | 3 |
| 36 | ? | 91 |
Option 1: 73
Option 2: 68
Option 3: 101
Option 4: 55
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