The parallelogram is cut by two sets of m lines parallel to its sides. The numbers parallelogram thus formed, is

A parallelogram is cut by two sets of m lines parallel to the sides. The number of parallelograms thus formed is

A parallelogram is cut by two sets of m lines parallel to the sides, the number of parallelograms thus formed is

A parallelogram is cut by two set of n parallel lines, parallel to the sides of the parallelo-gram. The number of parallelograms formed is

A set of m parallel lines another another set of n parallel lines in a plane . The number of parallelograms formed is

There are 10 parallel lines intersected by a family of 5 parallel lines. The number of parallelograms thus formed in the net work is

A set of m parallel lines intersect another set of n parallel lines in a plane. The number of parallellograms formed is