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Let the required number = (LCM of denominator 4 and 5) = 20 According to the question, Wrong answer = 4/5 times; 20 = 16 Correct answer = 5/4 times; 20 = 25 Required percentage of error = [(25-16)/ 25] times; 100 = 36%
The ratio of the breadth to the length of a rectangular field is 2:3. The total cost of cutting the grass of the field at the rate of Rs 6 per m2
If the two adjacent sides of a rectangle are x cm and x – 10 cm and its perimeter is 76 cm then find its area?
The circumference of a circle is given as 220 m. What is the area of the circle? [Use π = 22/7]
