What is the area of rectangular field? I. The perimeter of the field is 110 metres. II. The length is 5 metres more than the width. III. The ratio between length and width is 6: 5 respectively.
Correct answer B. Any two of the three
Tip: press A, B, C or D to answer, and N for the next question.
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See allWhat is the area of a right-angled triangle? I. The perimeter of the triangle is 30 cm. II. The ratio between the base and the height of the triangle is 5: 12. III. The area of the triangle is equal to the area of a rectangle of length 10 cm.
Correct answer A. I and II only
What is the area of the hall? I. Material cost of flooring per square metre is Rs. 2.50 II. Labour cost of flooring the hall is Rs. 3500 III. Total cost of flooring the hall is Rs. 14,500.
Correct answer C. All I, II and III
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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:
Correct answer C. Rs. 558
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?
Correct answer D. 88
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