Entry Test MCQ :: Basic Algebra
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41. |
If x2 - y2 = 58 and x-y=4 what is the average of x and y? |
Answer: Option B
Explanation:
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42. |
What is the value of x2 + 14x + 49 when x = 83? |
Answer: Option D
Explanation:
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43. |
x2+3x+2= |
A. |
(x+1)(x-2) |
B. |
(x+2)(x+1) |
C. |
(x+2)(x-1) |
D. |
(x-2)(x-1) |
E. |
(x+3)(x-1) |
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Answer: Option B
Explanation:
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44. |
x2+x-20= |
A. |
(x+5)(x-4) |
B. |
(x+4)(x-5) |
C. |
(x+2)(x-10) |
D. |
(x+10)(x-2) |
E. |
(x+20)(x-1) |
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Answer: Option A
Explanation:
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45. |
x2-5x-6= |
A. |
(x+1)(x+67) |
B. |
(x+6)(x-1) |
C. |
(x+2)(x+3) |
D. |
(x-6)(x+1) |
E. |
(x-2)(x-3) |
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Answer: Option D
Explanation:
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46. |
If x = a+b Y=(a-b) / (a+b) then xy = ? |
A. |
(a-b)2 / (a-b) |
B. |
(a+b)/a |
C. |
a2-b2 |
D. |
a+b |
E. |
b+a |
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Answer: Option A
Explanation:
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47. |
If a2-9 = 0 What is the value of a ? |
Answer: Option C
Explanation:
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48. |
If 10a + 36=70/b what is a x b= |
A. |
7-10b/2 |
B. |
7-18b/5 |
C. |
7b.10-18/5 |
D. |
7b-2 |
E. |
none |
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Answer: Option B
Explanation:
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49. |
If (p2-q2) / (p+q) = 14 then p-q = ? |
Answer: Option E
Explanation:
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50. |
If 16-a=20-b then a-b =? |
Answer: Option A
Explanation:
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