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6

If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface area reduced?

  • A. 8 : 125
  • B. 2 : 5
  • C. 8 : 25
  • D. 4 : 25
  • E. 4 : 10
View Answer & Discuss (4) JAMB 1978
7

In the parallelogram PQRS, PE is perpendicular to QR. Find the area of the parallelogram.

  • A. 60cm2
  • B. 65cm2
  • C. 72cm2
  • D. 132cm2
  • E. 156cm2
View Answer & Discuss (4) JAMB 1979
8

The volume of a cylinder is 1200cm3 and the area of its base is 150cm2. Find the height of the cylinder.

  • A. 80.00cm
  • B. 8.00cm
  • C. 0.80cm
  • D. 0.08cm
View Answer & Discuss (6) WAEC 2007
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
9

A wire was shaped to form a square of area 81cm\(^2\). An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?

  • A. 3cm
  • B. 6cm
  • C. 9cm
  • D. 12cm
  • E. 27cm
View Answer & Discuss (5) NECO 2002
10

In the figure, PQRS is a rectangle. If the shaded area is 72 sq. cm, find h.

  • A. 12cm
  • B. 10cm
  • C. 8cm
  • D. 5cm
View Answer & Discuss (9) JAMB 1987
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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