Mathematics 2005 NECO Past Questions

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A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm?

A. 12cm
B. 20cm
C. 23cm
D. 60cm
E. 80cm

View Answer & Discuss (3) NECO 2005

If 25a² = 5^-1 × 125. Find the value of a?

A. a = -1
B. a = 1
C. a = ±1
D. a = ±5
E. a = 25

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The parallel sides of a trapezium are 13cm and 7cm. If the area of the trapezium is 50cm2, find the perpendicular distance between the parallel sides.

A. 5cm
B. 6cm
C. 7cm
D. 10cm
E. 12cm

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Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome?

A. \(\frac{1}{9}\)
B. \(\frac{1}{6}\)
C. \(\frac{5}{18}\)
D. \(\frac{1}{3}\)
E. \(\frac{13}{18}\)

View Answer & Discuss (2) NECO 2005

If 2x : ( x + 1) = 3 : 2, what is the value of x?

A. \(\frac{1}{2}\)
B. 1
C. 1\(\frac{1}{2}\)
D. 3
E. 3\(\frac{1}{2}\)

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