Q60 of 97 Page 107

Area of the rectangle with length k units and breadth n units.

Given, length of rectangle = k units

Breadth of rectangle = n units

Area of rectangle = length × bredth

= k × n

Area of rectangle = kn sq units

The successor of an integer.

The perimeter of an equilateral triangle, if side of the triangle is m.

Omar helps his mother 1 hour more than his sister does.

Two consecutive odd integers.