The correct option is
A 62426×24 denotes the multiplication of a 2-digits number with another 2-digits number.
26×24 can also be written as
(20+6)×(20+4), which is solved using box method below.
Placing the digits on the box as shown in the below figure,
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1238801/original_91.PNG)
Now, multiplying the numbers on top of box by the number on left of box as shown in below figure,
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1238806/original_95.PNG)
Simplifying the numbers inside the boxes as shown in below figure,
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1238813/original_93.PNG)
Now, sum of numbers in all the boxes will give the product,
∴ 26×24=400+80+120+24=624