Class V An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is: 2% 2.02% 4% 4.04% What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ? 814 820 840 844 The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres ? 40 120 None of these Data inadequate Which of the following is a reasonable measure for the area of a classroom ? 100 square inches 100 square feet 100 square yards 100 square miles The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is: 40% 42% 44% 46% Do you really want to submit this quiz? Cancel Submit Quiz