Mathematics Neco Past Questions and Answers

Question 16 :

• NECO 2001

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 :

• NECO 2001

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

A. 117.60%
B. 117.60%
C. 117.60%
D. 17.65%

Question 18 :

• NECO 2001

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

A. 7\(\frac{1}{2}\)
B. 9
C. 9\(\frac{1}{2}\)
D. 9\(\frac{5}{6}\)
E. 10

Question 19 :

• NECO 2001

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

A. 48
B. 12
C. \(\frac{4}{3}\)
D. \(\frac{1}{12}\)
E. \(\frac{1}{48}\)

Question 20 :

• NECO 2001

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

A. 330°
B. 240°
C. 150°
D. 120°
E. 30°