(320 + 342 + 530 + 915) ÷ (20 + 22 – x + 18) = 43 then the…

The given bar chart represents the average marks obtained in English (E) and vernacular (V) by the students of five districts (D1, D2, D3, D4, D5)in a state at the secondary level examination of a particular year (marks secured out of a total of 100).

(320 + 342 + 530 + 915) ÷ (20 + 22 – x + 18) = 43 then the value of x is:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is Option 1 i.e. 11

Understanding

Application

Using BODMAS rule

(320 + 342 + 530 + 915) ÷ (20 + 22 – x + 18) = 43

49 = 60 – x

x = 11

SSC CPO 2019 PYQ — Question 149