Tom and Jerry are seated in a row of 40 seats. Tom is 10th from the left and Jerry is 15th from the right. If they swap seats, what will be Tom's new position from the left?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is taller than Bob but shorter than Charlie. David is shorter than Eva but taller than Bob. Who is the tallest among them?
If '+' represents addition, '-' represents subtraction, '×' represents multiplication, and '÷' represents division, what is the value of 8 ÷ 2 × 4 + 6 - 3?