Mathematics Neco Past Questions and Answers

Question 6 :

• NECO 2001

A trader sold an article for N4,600.00 thereby making a profit of 15%. Calculate the cost price of the article

A. N3450.00
B. N3910.00
C. N4000.00
D. N5290.00
E. N6900.00

Question 7 :

• NECO 2001

The first term of a G.P is 7. Find its 4th term, if its common ratio is 3.

A. 567
B. 280
C. 189
D. 63
E. 21

Question 8 :

• NECO 2001

Express 0.03785 in standard form correct to 3 significant figures.

A. 3 × 10\(^{-2}\)
B. 3.78 × 10\(^{-2}\)
C. 3.79 × 10\(^{-2}\)
D. 3.79 × 10\(^{-1}\)
E. 3.78 × 10\(^{-2}\)

Question 9 :

• NECO 2001

Convert 101.011₂ to base 10

A. 63
B. 43
C. 10
D. \(\frac{77}{8}\)
E. \(\frac{53}{8}\)

Question 10 :

• NECO 2001

Solve the equation x² - 3x - 10 = 0

A. -2 or -5
B. -3 or -10
C. 5 or -2
D. 2 or 5
E. 3 or 10