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Mathematics Past Questions and Answers

Neco Mathematics Questions

Question 6:

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

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

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Question 7:

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

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A 567
B 280
C 189
D 63
E 21

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Question 8:

Express 0.03785 in standard form correct to 3 significant figures.

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

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Question 9:

Convert 101.011₂ to base 10

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

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Question 10:

Solve the equation x² - 3x - 10 = 0

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

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