9709 P63 - Nov 2011 - Q4
2793
Mary saves her digital images on her computer in three separate folders named ‘Family’, ‘Holiday’ and ‘Friends’. Her family folder contains 3 images, her holiday folder contains 4 images and her friends folder contains 8 images. All the images are different.
Find in how many ways she can arrange these 15 images in a row across her computer screen if she keeps the images from each folder together.
