Incorrect
Explanation
Give him 5 pears. He will have 5 more, and you - 5 fewer, which makes the difference exactly 10.
Solve this puzzle
Nathan has math 4 times a week. If he has math at 8:00 Monday, 9:20 on Tuesday, 10:40 on Wednesday, and at 11:20 on Friday, when does Nathan have math on Thursday?