The fewest answered correctly to get 70 on the 25 question test,

would be the lowest multiple of 4, above 70, divided by 4.

72 รท 4

=

**18 is the fewest number that he could have answered correctly**The largest number that he could have left blank goes along with what is above.

If he answered 18 correctly and scored a 70, that would mean that he had one incorrect answer, which he loses two points.

Therefore, he had 18 correct, 1 incorrect, with 6 left blank (counting for zero)

**6 is the largest number left blank***McGenius*

**
**