What will come in place of the question mark (?) : 2435 ÷ 24 = 24?

What will come in place of the question mark (?) : 2435 ÷ 24 = 24?

What will come in place of the question mark (?) : 2435 ÷ 24 = 24?
 (a) 2.5
 (b) 3.5
 (c) 2
 (d) 3
 (e) None of these

Ans: ( a )  2.5