Algebra Practice Question and Answer
8 4 Q:
648af395b50f5316a463679c 4 Q:
6481a06723e51f4777094a8f 4 Q:
64be5ef0a2d4dcaf0448bd97 4 Q:
64660ac60827e80a9f9a8cfd 4 Q:
6447959fdf70e0688c8264bb 4 Q:
648af48bb50f5316a46369ad 4 Q:
64479518cd6ea382cf821012 Answer : 3. "
4 Q:
6409cf3086fd4161467df084
Q: Simplify the following expression.
$${\left({375+125} \right)^2-\left({125-375} \right)^2}\over 375×375-125×125$$
1101 0648af395b50f5316a463679c
648af395b50f5316a463679c- 1$$15\over 8$$false
- 2$$3\over 2$$true
- 3$$27\over 28$$false
- 4$$3\over 4$$false
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Answer : 2. "$$3\over 2$$"
Q: if $$x^4+{16\over x^4}=15617, x>0$$ then find the value of $$x+{2\over x}$$
1100 06481a06723e51f4777094a8f
6481a06723e51f4777094a8f- 1$$ \sqrt {121} $$false
- 2$$ \sqrt {127} $$false
- 3$$ \sqrt {129} $$true
- 4$$ \sqrt {123} $$false
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Answer : 3. "$$ \sqrt {129} $$"
Q: The expression $${15(\sqrt { 10}+\sqrt { 5})\over \sqrt { 10}+\sqrt { 20}+\sqrt { 40}-\sqrt { 5}-\sqrt { 80} }$$ is equal to:
1093 064be5ef0a2d4dcaf0448bd97
64be5ef0a2d4dcaf0448bd97- 1$$10(3+2 \sqrt { 5})$$false
- 2$$5+(2 \sqrt { 2})$$false
- 3$$5(3+2 \sqrt { 2})$$true
- 4$$5-(2 \sqrt { 5})$$false
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Answer : 3. "$$5(3+2 \sqrt { 2})$$"
Q: $$4a-{4\over a}+3=0$$ then the value of : $$ a^3-{1\over a^3}+3=?$$
1091 064660ac60827e80a9f9a8cfd
64660ac60827e80a9f9a8cfd- 1$$3\over 16$$false
- 2$$7\over 16$$false
- 3$$21\over 24$$true
- 4$$21\over 16$$false
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Answer : 3. " $$21\over 24$$"
Q: If x+y+z=10, x2+y2+z2=30, then the value of x3+y3+z3-3xyz is _________.
1086 06447959fdf70e0688c8264bb
6447959fdf70e0688c8264bb- 1−10false
- 2−70false
- 3−50true
- 4−30false
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Answer : 3. "−50"
Q: if x+y =3 and $${1\over x}+{1\over y}= -{3\over 10}$$ then the value of (x2+y2) is :
1086 0648af48bb50f5316a46369ad
648af48bb50f5316a46369ad- 129true
- 228false
- 326false
- 434false
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Answer : 1. "29"
Q: What is the product of (x + a) and (x + b)?
1084 064479518cd6ea382cf821012
64479518cd6ea382cf821012- 1x2+(a-b)x+abfalse
- 2false
x2+(a-b)x-ab
- 3true
x2+(a+b)x+ab
- 4false
x2+(a+b)x-ab
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Answer : 3. "x2+(a+b)x+ab
"
Q: If p, q, r are all real numbers, then (p – q)3 + (q – r)3 + (r – p)3 is equal to
1083 06409cf3086fd4161467df084
6409cf3086fd4161467df084- 1(p – q) (q – r) (r – p)false
- 23(p – q) (q – r) (r – p)true
- 30false
- 41false
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- SingleChoice
Answer : 2. "3(p – q) (q – r) (r – p) "
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