Algebra Practice Question and Answer
8 Q:Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.
(i) 2x³ = $$ \sqrt {256}$$
(ii) 2y² – 9y + 10 = 0
752 064d5cd6ed02c5c746bdfa5ef
64d5cd6ed02c5c746bdfa5ef(ii) 2y² – 9y + 10 = 0
- 1x > yfalse
- 2x < yfalse
- 3x ≤ ytrue
- 4x ≥ yfalse
- 5x = y or no relation can be established between x & y.false
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Answer : 3. "x ≤ y"
Q:Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.
(i) 6x² – 11x + 4 = 0
(ii) 3y² – 5y + 2 = 0
743 064d5cdd980ef1e74b4d61cce
64d5cdd980ef1e74b4d61cce(ii) 3y² – 5y + 2 = 0
- 1x ≤ yfalse
- 2x < yfalse
- 3x ≥ yfalse
- 4x > yfalse
- 5x = y or no relation can be established between x & y.true
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Answer : 5. "x = y or no relation can be established between x & y."
Q: When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient=double the remainder. If the remainder is 80 then the value of x is
742 06343d74a3a01e50b270088c7
6343d74a3a01e50b270088c7- 16480true
- 29680false
- 38460false
- 44680false
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Answer : 1. "6480"
Q: $$ {1\over {^3\sqrt{4}+{^3\sqrt{2}}}+1}=a^3\sqrt{4}+ b^3\sqrt{2}+c $$ and a, b, c are rational numbers, then a + b + c is equal to
734 06409ce3556c45fd8d39e6f76
6409ce3556c45fd8d39e6f76- 10true
- 21false
- 32false
- 43false
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Answer : 1. "0"
Q: If (x + y)3 +8 (x - y)3 = (3x+ Ay)(3x2+ Bxy+ Cy2), then the value of A+B+C is:
729 064c21c1ed3a6d4481eeb81c9
64c21c1ed3a6d4481eeb81c9- 10true
- 24false
- 32false
- 43false
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Answer : 1. "0"
Q: If x2 + x = 5 then the value of $${(x+3)^3}+{1\over (x+3)^3}$$ is
728 0646609fc0827e80a9f9a8a76
646609fc0827e80a9f9a8a76- 1140false
- 2110true
- 3130false
- 4120false
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Answer : 2. "110 "
Q: if $${{5x-7}\over 3}+2={{4x-3}\over 4}+4x$$, then the value of (8x+5) is
720 064b7a1ad88d5e4f52dda7c41
64b7a1ad88d5e4f52dda7c41- 19false
- 213false
- 36true
- 47false
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Answer : 3. "6"
Q: $$x+{1\over x}=2$$ and x is real, then the value of $$x^{17}+{1\over x^{19}}$$ is
718 06409cd601426f5b896a3da2d
6409cd601426f5b896a3da2d- 11false
- 20false
- 32true
- 4-2false
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