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Mathematics Past Questions and Answers

Post Utme Mathematics Questions

Question 451:

In a class. 37 students take at least one of Chemistry, Economics and Government. 8 students take Chemistry, 19 take Economics and 25 take Government. 12 students take Economics and Government but nobody takes Chemistry and Economics. How many students take both Chemistry and Government?

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A 3
B 4
C 5
D 5

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Question 452:

Solve for \(p\) in the following equation given in base two \(11(p+110)=1001 p\)

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A 10
B 11
C 110
D 111

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Question 453:

Factorize \(16(3 x+2 y)^{2}-25(a+2 b)^{2}\)

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A \((12 x+8 y+5 a+10 b)(12 x+8 y-5 a-10 b)\)
B \((12 x+8 y-5 a-10 b)(12 x+8 y-5 a-10 b)\)
C \(20(3 x+2 y-a-2 b)(3 x+2 y+a+2 b)\)
D \(20(3 x+2 y+a+2 b)(3 x+2 y+a+2 b)\).

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Question 454:

A cone has base radius \(4 cm\) and height \(3 cm\). the area of its curved surface is

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A \(12 \pi cm ^{2}\)
B \(24 \pi cm ^{2}\)
C \(20 \pi cm ^{2}\)
D \(15 \pi cm ^{2}\)

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Question 455:

\(3 \log x+\log y=3\). Then. \(y\) is

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A \(\left(\frac{10}{x}\right)^{1}\)
B \(\left(\frac{x}{10}\right)^{3}\)
C \(\left(\frac{x}{10}\right)^{-3}\)
D \(\left(\frac{10}{x}\right)^{1-\frac{1}{3}}\)

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