Question

The average marks of three students scoring 16, 17 and 12 marks in a unit test is:
13 marks
14 marks
15marks
16 marks​

Answer 1

Answer:

15

Step-by-step explanation:

16+17+12=45

AVG=45/3=15

Answer 2

The average marks of three students scoring 16, 17 and 12 marks in a unit test is 15 marks

Given :

Three students scores 16, 17 and 12 marks in a unit test

To find :

The average marks of three students

• 13 marks

• 14 marks

• 15 marks

• 16 marks

Solution :

Step 1 of 2 :

Calculate sum of the marks

Here it is given that three students scores 16, 17 and 12 marks in a unit test

Sum of the marks

= 16 + 17 + 12

= 45

Step 2 of 2 :

Calculate average marks of three students

Number of unit test = 3

Hence average marks of three students

$\displaystyle \sf{ = \frac{45}{3} }$

$\displaystyle \sf{ = 15 }$

Hence the correct option is 15 marks