Mathematics Past Questions

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93 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
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Past Questions

93 questions
Question 1 of 13 93 total questions
Question 41
jamb 1989

Make R the subject of the formula S = \(\sqrt{\frac{2R + T}{2RT}}\)

AR = \(\frac{T}{(TS^2 + 1)}\)
BR = \(\frac{T}{2(TS^2 - 1)}\)
CR = \(\frac{T}{2(TS^2 + 1)}\)
DR = \(\frac{R}{2(TS^2 + 1)}\)
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Question 42
jamb 1989

What are the values of y which satisfy the equation \(9^{y} - 4 \times 3^{y} + 3 = 0\) ?

A-1 and 0
B-1 and 1
C1 and 3
D0 and 1
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Question 43
jamb 1989

Find p in terms of q if \(\log_{3} p + 3\log_{3} q = 3\)

A(\(\frac{3}{q}\))3
B(\(\frac{q}{3}\))\(\frac{1}{3}\)
C(\(\frac{q}{3}\))3
D(\(\frac{3}{q}\))\(\frac{1}{3}\)
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Question 44
jamb 1989

Simplify \(4 - \frac{1}{2 - \sqrt{3}}\)

A2\(\sqrt{3}\)
B-2 - \(\sqrt{3}\)
C-2 + \(\sqrt{3}\)
D2 - \(\sqrt{3}\)
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Question 45
jamb 1989
If the surface area of a sphere increased by 44%, find the percentage increase in diameter
A44
B30
C22
D20
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Question 46
jamb 1989

Oke deposited N800.00 in the bank at the rate of 12\(\frac{1}{2}\)% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank?

A2\(\frac{2}{3}\)
B4
C5\(\frac{1}{3}\)
D8
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Question 47
jamb 1989
If a : b = 5 : 8, x : y = 25 : 16; evaluate \(\frac{a}{x}\) : \(\frac{b}{y}\)
A125 : 128
B3 : 5
C3 : 4
D2 : 5
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Question 48
jamb 1989
What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal?
A10-5
B7 x 10-4
C8 x 10-5
D10-6
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Question 49
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 50
jamb 1989

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

A20
B15
C14
D12
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Question 51
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 52
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 53
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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