Algebra Practice Question and Answer
8 Q: If x = y = 333 and z = 334, then the value of x3 + y3 + z3 – 3xyz is
1220 06409cae686fd4161467deaae
6409cae686fd4161467deaae- 10false
- 2667false
- 31000true
- 42334false
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Answer : 3. "1000 "
Q: If x = 2 - 21/3 + 22/3, then the value of x3– 6x2 + 18x + 18 is
1217 06409ce6f36c856ead79cb82a
6409ce6f36c856ead79cb82a- 122false
- 233false
- 340true
- 445false
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Answer : 3. "40 "
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) 2x² + 9x + 9 = 0
(ii) 15y² + 16y + 4 = 0
1215 064d5cce8bd50dd8e2e15b3a3
64d5cce8bd50dd8e2e15b3a3(ii) 15y² + 16y + 4 = 0
- 1x > yfalse
- 2x < ytrue
- 3x ≥ yfalse
- 4x ≤ yfalse
- 5x = y or no relation can be established between x & y.false
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Answer : 2. "x < y "
Q: If a = 2·361, b = 3·263 and c = 5·624, then the value of a3 + b3 – c3 + 3abc is
1202 06409cf73a37bb1a5e16e1b62
6409cf73a37bb1a5e16e1b62- 135·621false
- 20true
- 319·277false
- 41false
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Answer : 2. "0"
Q: if 2x2 – 7x + 5 =0, then what is the value of $$x^2+{25\over 4x^2}$$
1196 064d1fe6780ef1e74b4c9b6b0
64d1fe6780ef1e74b4c9b6b0- 1$$5{1\over 2}$$false
- 2$$7{1\over 4}$$true
- 3$$9{1\over 2}$$false
- 4$$9{3\over 4}$$false
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Answer : 2. "$$7{1\over 4}$$"
Q: If 27(x+y)3 – 8(x-y)3=(x+5y)(Ax2+By2+Cxy), then what is the value of (A+B-C)?
1184 064b90c7523047f4c71cdc3a6
64b90c7523047f4c71cdc3a6- 118false
- 216true
- 313false
- 411false
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Answer : 2. "16"
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
1183 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: What is the simplified form the expression (1+x)(1+x2)(1+x4)(1+x8)(1-x)?
1182 064ad3686b3b647c4eaaae23e
64ad3686b3b647c4eaaae23e- 1false
1-x40
- 2false
1-x32
- 3true
1-x16
- 4false
1-x42
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