A fruit-seller has arranged different varieties of fruits consisting of apples, bananas, kiwis, mangoes, oranges and pears on a staircase. The bottom-most step is numbered as 1 and so on. Apples are placed on the step above bananas, but below kiwis. Mangoes are placed on the bottom-most step, while oranges are placed on the step below bananas. On the topmost step, pears are placed.

Which variety of fruits is placed between apples and oranges?