Related InterviewSolutions

• 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:
• A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
• The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
• The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
• 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?
• A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
• A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
• The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet?
• A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?
• The diagonal of a rectangle is cm and its area is 20 sq. cm. The perimeter of the rectangle must be: