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Mathematics Past Questions

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45 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

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45 questions

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Question 21

jamb 1989

Simplify \(\sqrt[3]{(64r^{-6})^{\frac{1}{2}}}\)

A\(\frac{r}{2}\)

B2r

C\(\frac{1}{2r}\)

D\(\frac{2}{r}\)

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Question 22

jamb 1989

If \(12_{e} = X_{7}\), where e = 12, find X.

A20

B15

C14

D12

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Question 23

jamb 1989

The prime factors of 2520 are

A2, 9, 5

B2, 9, 7

C2, 3, 5, 7

D2, 3, 7, 9

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Question 24

jamb 1989

Evaluate 2700 000 x 0.03 ÷ 18 000

A4.5 x 10⁰

B4.5 x 10¹

C4.5 x 10²

D4.5 x 10³

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Question 25

jamb 1989

Which of the following is in descending order?

A\(\frac{9}{10} \frac{4}{5} \frac{3}{4} \frac{17}{20}\)

B\(\frac{4}{5} \frac{9}{10} \frac{3}{4} \frac{17}{20}\)

C\(\frac{9}{10} \frac{17}{20} \frac{4}{5} \frac{3}{4}\)

D\(\frac{4}{5} \frac{9}{10} \frac{17}{20} \frac{3}{4}\)

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