1. "It's Bob's birthday," Mary exclaimed. "We never sent a card." "We'll call him instead, to show we didn't forget," Jim replied. "I can tell him he's reached an odd age. It's the square of its first digit plus the cube of its last." Mary shook her head. "What a thing to notice. But the same goes for your age, and you're a good bit younger." How old was Jim?

Jim 23 years old, Bob 83

Jim 33 years old, Bob 73

Jim 43 years old, Bob 63