The correct option is B 15
In the figure of the matchbox,
length = 4 inch, width = 2.5 inch and height = 1.5 inch.
This matchbox is in the form of a cuboid(or Rectangular Prism).
Volume of the matchbox = length×width×height
Volume of the matchbox = 4×2.5×1.5
Volume of the matchbox = 15inch3