Entry Test MCQ :: Basic Algebra
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1. |
Find the value of the function x3+2+5 at = 2 |
Answer: Option B
Explanation:
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2. |
7n2 - 7n + 5 - (3n + 7n2) = |
A. |
5 + 10n |
B. |
10n - 5 |
C. |
?10n + 5 |
D. |
45 - 10n |
E. |
30 + n |
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Answer: Option C
Explanation:
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3. |
If a = 3 b = -1 c = 2 which is true (I) a+b+c = 4 (II) 3a + 5b = 4 (III) 2c - 5a = 6 |
A. |
I only |
B. |
II only |
C. |
I and III |
D. |
I and II |
E. |
III only |
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Answer: Option D
Explanation:
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4. |
(7x-49) / (x-7) = |
Answer: Option C
Explanation:
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5. |
4x2 + 16x + 36 is equivalent to? |
A. |
4(x2+4x+4) |
B. |
4(x+4) (x+4) |
C. |
4x (x+4+9) |
D. |
4 (x2+4x+9) |
E. |
4 (x2+6x+9) |
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Answer: Option D
Explanation:
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6. |
(8/Z)+(6/Z) x (40/Z) =? If Z=2 |
Answer: Option E
Explanation:
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7. |
(a+b)2 + (b+c)2 = |
A. |
a2 + 2b2 + 2ab + c2 + 2bc |
B. |
a2 + b2 + c2 + 2ab + 2bc |
C. |
a2 - b2 + c2 + 2ab + 2bc |
D. |
2a2 + 2b2 + 2c2 + ab + bc |
E. |
none |
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Answer: Option A
Explanation:
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8. |
(ab x (a+b)))/(1/a+1/b) = ? If a = 1 b = 2 |
Answer: Option D
Explanation:
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9. |
If 9/a = 7/a2 then a = ? |
Answer: Option A
Explanation:
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10. |
If b = -3 and a = 2 then a2 + b2 + 2ab = ? |
Answer: Option A
Explanation:
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