NECO Mathematics Past Questions, Answers & Explanations - Mathematics

Neco Mathematics Questions

Question 16:

If s = \(\sqrt{(\frac{a^2}{x^2} - \frac{b^2}{y^2})}\)what does y equal?

A \(\sqrt{\frac{(b^2 - a^2)}{(s^2 - x^2)}}\)
B \(\sqrt{\frac{(b^2 - a^2)}{(s^2 \times 2)}}\)
C \(\sqrt{\frac{x^2 - a^2 - b^2}{s}}\)
D \(\frac{x^2 - a^2 - b^2}{s}\)
E \(\sqrt{\frac{(b^2 x^2)}{(a^2 - s^2 x^2)}}\)

Question 17:

Mr Aborowa bought a car for N200,000.00 and later sold it for N170,000.00. What is the percentage loss?

Question 18:

Find the 19th term of the A.P. \(\frac{5}{6}\), \(\frac{8}{6}\), \(\frac{11}{6}\).................

Question 19:

Simplify 27\(^{-\frac{1}{3}}\) \(\times\) 64\(^{-\frac{1}{3}}\) \(\times\) 4\(^{\frac{1}{3}}\)

Question 20:

The bearing of a point Y from point x is 150°. What is the bearing of X from Y?