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Neco Mathematics Past Questions and Answers

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Neco Mathematics Past Questions

Question 141:


Which of the following angular inequalities defines an obtuse angle?

A. 0° < x < 90°
B. 0° ≤ x > 180°
C. 90° < x < 180°
D. 90° ≤ x < 180°
E. 90° > x < 180°


Question 142:


If y + \(\frac{1}{y}\) = 9, evaluate y2 + \(\frac{1}{y^2}\)

A. 27
B. 38
C. 54
D. 63
E. 79


Question 143:


If N25,000.00 is kept in a bank at the rate of 2% simple interest, how much will it amount to at the end of 5 years?

A. N2,500.00
B. N5,000.00
C. N12,500.00
D. N27,500.00
E. N125,000.00


Question 144:


Construct a quadratic equation whose roots are -\(\frac{3}{2}\) and 7

A. 3x2 + 11x + 21 = 0
B. 2x2 + 11x + 21 = 0
C. 2x2 - 11x – 21 = 0
D. 3x2 - 11x - 21 = 0
E. X2 - 11x – 21 = 0


Question 145:


A chord XY of a circle with centre O and radius 5.32cm has ∠XOY = 140°. What is the length of the chord to the nearest centimetre?

A. 10cm
B. 6cm
C. 5cm
D. 3cm
E. 1cm






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