Algebra Question with answer Practice Question and Answer
8 4 Q:
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64660728650f68f33be6ac57 5 Q:
64d5cce8bd50dd8e2e15b3a3 4 Q:
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Q: If (10 a3+4b3):(11a3-15b3)=7:5, then (3a+5b):(9a-2b)=?
1042 064be67cb2d3130f5754eb8ca
64be67cb2d3130f5754eb8ca- 110:13true
- 28:7false
- 35:4false
- 43:2false
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Answer : 1. "10:13"
Q: If x = 332, y = 333, z = 335, then the value of x3 + y3 + z3 – 3xyz is
1042 064660728650f68f33be6ac57
64660728650f68f33be6ac57- 110000false
- 27000true
- 38000false
- 49000false
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Answer : 2. "7000 "
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
1034 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 ≠ b, then which of the following statement is true ?
1030 05f1e9da626299776aa421043
5f1e9da626299776aa421043- 1$${a+b\over 2}= \sqrt{ab} $$false
- 2$${a+b\over 2}> \sqrt{ab} $$true
- 3$${a+b\over 2}< \sqrt{ab} $$false
- 4All of the abovefalse
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Answer : 2. "$${a+b\over 2}> \sqrt{ab} $$"
Q: if 2x2 – 7x + 5 =0, then what is the value of $$x^2+{25\over 4x^2}$$
1027 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 9x2 + y2 = 37 and xy = 2, x, y>0, then the value of (27x3+ y3) is:
1020 064bfb4ce2dc867f593162c69
64bfb4ce2dc867f593162c69- 1301false
- 2217true
- 3207false
- 4259false
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Answer : 2. "217"
Q: P = 12xy – 10y2 – 18x2,
Q = 14x2 + 12y2 + 9xy, and
R = 5y2 – x2 + xy
then (P + Q) – R =
1020 064b9119fe2108a723934ddcf
64b9119fe2108a723934ddcf- 122xy – 3x2 + 3y2false
- 222xy + 3x2 – 3y2false
- 320xy – 3x2 – 3y2false
- 420xy – 3x2 – 3y2true
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Answer : 4. "20xy – 3x2 – 3y2"
Q: If p, q, r are all real numbers, then (p – q)3 + (q – r)3 + (r – p)3 is equal to
1016 06409cf3086fd4161467df084
6409cf3086fd4161467df084- 1(p – q) (q – r) (r – p)false
- 23(p – q) (q – r) (r – p)true
- 30false
- 41false
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Answer : 2. "3(p – q) (q – r) (r – p) "
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