Waec Mathematics Past Questions For Year 2020

Question 46

A woman received a discount of 20% on a piece of cloth she purchased from a shop. If she paid $525.00, what was the original price?

waec 2020

  • A. $675.25
  • B. $660.25
  • C. $656.25
  • D. $616.25
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Question 47

Find the least value of x which satisfies the equation 4x = 7(mod 9)

waec 2020

  • A. 7
  • B. 6
  • C. 5
  • D. 4
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Question 48

In the diagram, O is the centre of the circle. If < NLM = 74\(^o\), < LMN = 39\(^o\) and < LOM = x, find the value of x.

waec 2020

  • A. 134\(^o\)
  • B. 126\(^o\)
  • C. 113\(^o\)
  • D. 106\(^o\)
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Question 49

The diameter of a sphere is 12 cm. Calculate, correct of the nearest cm\(^3\), the volume of the sphere, [Take \(\pi = \frac{22}{7}\)]

waec 2020

  • A. 903 cm\(^3\)
  • B. 904 cm\(^3\)
  • C. 905 cm\(^3\)
  • D. 906 cm\(^3\)
View Answer and Explanation