Practice mode / Area 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 Option A: 2% B Option B: 2.02% C Option C: 4% D Option D: 4.04% Correct answer D. 4.04% Show answer Report a problem How we write and check questions
Question 01 / Area A field is in the shape of a trapezium whose parallel sides are 18 m and 30 m and the distance between them is 11 m. What is its area? A Option A: 528 sq m B Option B: 228 sq m C Option C: 264 sq m D Option D: 270 sq m Correct answer C. 264 sq m Show answer Open question
Question 02 / Area A wire of length 88 cm is first bent into a square and then into a circle. Taking π = 22/7, by how much does the area of the circle exceed the area of the square? A Option A: 616 sq cm B Option B: 132 sq cm C Option C: 84 sq cm D Option D: 1,980 sq cm Correct answer B. 132 sq cm Show answer Open question
Question 03 / Area A room is 8 m long, 6 m wide and 4 m high. What is the cost of painting its four walls at Rs. 35 per square metre? A Option A: Rs. 1,960 B Option B: Rs. 3,920 C Option C: Rs. 5,600 D Option D: Rs. 1,680 Correct answer B. Rs. 3,920 Show answer Open question
Question 04 / Area The perimeter of a rectangular sheet is 46 cm and its diagonal is 17 cm. What is its area? A Option A: 132 sq cm B Option B: 195.5 sq cm C Option C: 240 sq cm D Option D: 120 sq cm Correct answer D. 120 sq cm Show answer Open question
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