In a store, there are $888$ mobile phones and $633$ headsets. How many fewer headsets are there than mobile phones?

The correct option is B $255$
Given, there are $888$ mobile phones and $633$ headsets in a store.
So, the difference between the number of headsets and the number of mobile phones $=888-633$

Let’s represent each of these numbers based on their place value and subtract them.
$888$ can be decomposed as $800+80+8$.
$633$ can be decomposed as $600+30+3$.



So, there are $255$ fewer headsets than mobile phones.