What is the cost of putting a wire around a rectangle shaped box of length 50 cm and breadth 30 cm, given that 1 cm of wire costs ₹20?
A cuboid shaped bank locker whose length, breadth and height are 50 cm, 50 cm and 2 m respectively has to be secured by a touch sensor system at the rate of ₹ 5 per 100 sq. cm. The total cost of the security arrangement is ___.
A cuboid shaped bank locker has length, breadth and height as 50 cm, 50 cm and 2 m respectively. It has to be secured by a touch sensor system at the rate of ₹ 5 per 100 sq. cm. The total cost of security arrangement is ________.