Question

There is a math competition with 15 questions. 5 point are given for a correct answer, 2 for a blank answer, and 0 for an incorrect answer. How many possible scores are there?

Answer 1

70

Explanation:

Of the 76 integer values from 0 to 75, the scores that cannot be made are 1, 3, 68, 71, 73, 74. That leaves 70 scores that are possible.