Question

45 students average is 40 ,qualify student average is 52 ,disqualified students average is 16 then what is the number of disqualified students

Answer 1

Answer:

Let the number of candidate who passed = y

Then, 39y + 15(120 - y) =120 x 35

⇒ 24y= 4200 -1800

∴ y= 2400 / 24 = 100