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Mathematics 1991 WAEC Past Questions

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41

Mrs. Jones is expecting a baby. The probability that it will be a boy is 1/2 and probability that the baby will have blue eyes is 1/4. What is the probability that she will have a blue-eyed boy?

  • A. 1/8
  • B. 1/4
  • C. 3/8
  • D. 1/2
  • E. 3/4
View Answer & Discuss (1) WAEC 1991
42

Which of the following about a rhombus may not be true?

  • A. The diagonals are equal
  • B. The diagonals bisect the angles through which they pass
  • C. the diagonals bisect each other
  • D. The adjacent sides are equal
  • E. Opposite angles are equal
View Answer & Discuss WAEC 1991
43

The angles of a pentagon are x°, 2x°, (x + 60)°, (x + 10)°, (x -10)°. Find the value of x.

  • A. 40
  • B. 60
  • C. 75
  • D. 80
  • E. 90
View Answer & Discuss WAEC 1991
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44

In the diagram above, ∠PTQ = ∠URP = 25° and XPU = 4URP. Calculate ∠USQ.

  • A. 100o
  • B. 120o
  • C. 125o
  • D. 130o
  • E. 150o
View Answer & Discuss (5) WAEC 1991
45
In a given regular polygon, the ratio of the exterior angle to the interior angles is 1:3. How many side has the polygon?
  • A. 40
  • B. 5
  • C. 6
  • D. 8
  • E. 12
View Answer & Discuss (1) WAEC 1991
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