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Saturday, 07 March 2026
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Mathematics Past Questions and Answers

Neco Mathematics Questions

Question 51:
If , sT = \(\sqrt{\frac{[(a + T)T]}{a}}\) what does T equal?
  • A T = (a2s2 – 1)
  • B T = (a2s2– 1) ÷ a
  • C T = a ÷ (a2 - s2)
  • D T = a ÷ (a2s2 – 1)
  • E T = (as – 1)2
View Answer & Explanation
Question 52:
What is the total surface area of a cuboid whose dimensions are 12cm × 8cm × 3cm?
  • A 312cm\(^2\)
  • B 96cm\(^2\)
  • C 36cm\(^2\)
  • D 24cm\(^2\)
  • E 12cm\(^2\)
View Answer & Explanation
Question 53:
If sin 30° = 0.5, what is the cosine of its complement?
  • A -0.866
  • B -0.5
  • C 0.0.5
  • D 0.866
  • E 1
View Answer & Explanation
Question 54:
A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus?
  • A \(\frac{4}{39}\)
  • B \(\frac{4}{13}\)
  • C \(\frac{5}{13}\)
  • D \(\frac{6}{13}\)
  • E \(\frac{9}{13}\)
View Answer & Explanation
Question 55:
Two parallel chords of a circle are respectively 46cm and 40cm long. If the radius of the circle is 25cm and the centre of the circle lies between the two chords, what is the distance between the chords?
  • A 7cm
  • B 15cm
  • C 22cm
  • D 26cm
  • E 30cm
View Answer & Explanation