Mathematics (Core)
Paper 1 | Objectives | 46 Questions
WASSCE/WAEC MAY/JUNE
Year: 2009
Level: SHS
Time:
Type: Question Paper
Answers provided
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Paper 1 | Objectives | 46 Questions
WASSCE/WAEC MAY/JUNE
Year: 2009
Level: SHS
Time:
Type: Question Paper
Answers provided
No description provided
This paper is yet to be rated
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| # | Question | Ans |
|---|---|---|
| 1. |
Simplify: (3\(\frac{1}{2} + 4\frac{1}{3}) \div (\frac{5}{6} - \frac{2}{3}\)) A. 1\(\frac{1}{4}\) B. 8\(\frac{1}{2}\) C. 35 D. 47
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Detailed Solution(3\(\frac{1}{2} + 4\frac{1}{3}) \div (\frac{5}{6} - \frac{2}{3}\)) = (7\(\frac{3 + 2}{6}) \div \frac{(5 - 4)}{6}\)7\(\frac{5}{6} \div \frac{1}{6} = \frac{47}{6} \times \frac{6}{1}\) = 47 |
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| 2. |
In a particular year, the exchange rate of naira (N) varies directly with the Dollars{$}. If N1122 is equivalent to $8, find the Naira equivalent of $36 A. N8976 B. N5049 C. N140.25 D. N31.17
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Detailed SolutionN1122 = $8; x = $36x x $8 = N1122 x $36 \(\frac{N1122 \times $36}{$8}\) = x x = N5049 |
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| 3. |
If log 2 = x, log 3 = y and log 7 = z, find, in terms of x, y and z, the value of log (\(\frac{28}{3}\)) A. 2x + y - z B. 2x + x - y C. x + y - 2x D. x + x - y
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Detailed Solutionlog (\(\frac{28}{3}) = \log (\frac{7 \times 4}{3})\)= log 7 + log 4 - log 3 log 7 + log 22 - log 3 = log 7 + 2 - log 3 = x + 2x - y = 2x + x - y |
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| 4. |
Arrange the following numbers in descending orders of magnitude: 22three, 34five, 21six A. 21six, 22three, 34five, B. 21six, 34five, 22three C. 22three, 34five, 21six D. 34five, 21six, 22three
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Detailed Solution22three, 34five, 21six = (2 x 3)(2 x 3o), (3 x 51) = (4 x 50), (2 x 61) + (1 x 60)= (6 + 2), (15 + 4), (12 + 1) = 8ten, 29ten, 13ten in descending order 29ten, 13ten, 8ten = 34five, 21six, 22three |
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| 5. |
Find the value to which N3000.00 will amount in 5 years at 6% per annum simple interest A. N3,900.00 B. N3,750.00 C. N3,600.00 D. N3,300
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Detailed SolutionA = P + Ip + \(\frac{PRT}{100}\) A = N3000 (1 + \(\frac{6 \times 5}{100}\)) = N3000(1 + 0.3) A = N3000 (1.3) = N3,900.00 |
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| 6. |
Express the square root of 0.000144 in the standard form A. 1.2 x 10-4 B. 1.2 x 10-3 C. 1.2 x 10-2 D. 1.2 x 10-1
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Detailed Solution\(\sqrt{0.000144}\) = 0.012= 1.2 x 10-2 |
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| 7. |
Two sets are disjoint if A. they are both empty B. their union is an empty set C. their intersection is an empty set D. one of them is a subset of the other |
C |
| 8. |
If \(\frac{3}{2x} - \frac{2}{3x} = 4\), solve for x A. \(\frac{4}{5}\) B. \(\frac{4}{13}\) C. \(\frac{5}{24}\) D. \(\frac{13}{24}\)
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Detailed Solution\(\frac{3}{2x} - \frac{2}{3x} = 4\)\(\frac{9 - 4}{6x}\); \(\frac{5}{6x}\) = 4 5 = 24x ; x = \(\frac{5}{24}\) |
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| 9. |
If (2x + 3)3 = 125, find the value of x A. 1 B. 2 C. 3 D. 4
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Detailed Solution(2x + 3 )2 = 1252n + 3 = 3\(\sqrt{125}\) 2x + 3 = 5 2x = 5 - 3 x = \(\frac{2}{2}\) = 1 |
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| 10. |
Factorize x2 - 2x - 3xy completely A. (x - 2)(3x - y) B. (x - 3y)(x - 2) C. (x - 3y)(x - 3y) D. (3x + y)(x - 2)
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Detailed Solutionx2 - 2x - 3xy + 6y = x(x - 2) -3y(x - 2)= (x - 3y)(x - 2) |
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