Jamal's average score in 4 tests was 80 out of a possible 100 . If his scores in 2 of the tests were 65 and 70, what is the lowest that either of his other scores could have been ?
Jamal's average score in 4 tests was 80 out of a possible 100 . If his scores in 2 of the tests were 65 and 70, what is the lowest that either of his other scores could have been ? Correct Answer 85
sum of 4 tests = 80*4 = 320sum of 2 tests = 65+70 = 135remaining score of the other 2 tests = 320-135 = 185As the highest number in exam is 100, so the lowest score he could have been = 185 - 100 = 85 (Ans)