Question 65

The average marks of Ravi in five subjects are 150, but in mathematics 43 was misread as 23 during the calculation. The correct average is:

Solution

Given,

The average marks of Ravi in five subjects = 150

Sum of the marks of Ravi in five subjects = $$150\times5=750$$

In Mathematics, 43 is misread as 23 during the calculation

$$=$$> Correct sum of the marks of Ravi in five subjects = 750-23+43 = 770

$$\therefore\ $$Correct average of the marks of Ravi in five subjects = $$\frac{770}{5}=154$$

Hence, the correct answer is Option C

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