Surds and Indices Practice Question and Answer
8 4 Q:
5f2a81ad57c6a23ea65db12a 4 Q:
5efeaf1bd4461c5b47dcea3c 4 Q:
5f06d8de8e4486214299412c 4 Q:
5f3f91df9ab97f7febf678e4 4 Q:
5d71fa9124421948066491ce 4 Q:
5ee058603f1add232d831e48 4 Q:
5efeb2c87228dd6b06e754d3 4 Q:
5f40d93cb8958f14fa2b014d
Q: Which of the following statements is/are True?
I. $$ {\sqrt{12}}>{^{3}{\sqrt{16}}}>{^{4}{\sqrt{24}}}$$
II. $$ ^{3}{\sqrt{25}}>{^{4}{\sqrt{32}}}>{^{6}{\sqrt{48}}}$$
III. $$ ^{4}{\sqrt{9}}>{^{3}{\sqrt{15}}}>{^{6}{\sqrt{24}}}$$
1131 05f2a81ad57c6a23ea65db12a
5f2a81ad57c6a23ea65db12aI. $$ {\sqrt{12}}>{^{3}{\sqrt{16}}}>{^{4}{\sqrt{24}}}$$
II. $$ ^{3}{\sqrt{25}}>{^{4}{\sqrt{32}}}>{^{6}{\sqrt{48}}}$$
III. $$ ^{4}{\sqrt{9}}>{^{3}{\sqrt{15}}}>{^{6}{\sqrt{24}}}$$
- 1only I and IItrue
- 2Only I and IIIfalse
- 3Only Ifalse
- 4All are truefalse
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- SingleChoice
Answer : 1. "only I and II"
Q: If $$ 3 ^{2x-y}=3^{x+y}=\sqrt{27}$$ then the value of y is
1187 05efeaf1bd4461c5b47dcea3c
5efeaf1bd4461c5b47dcea3c- 1$$ {1\over2}$$true
- 2$$ {3\over2}$$false
- 3$$ {1\over8}$$false
- 4$$ {3\over4}$$false
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Answer : 1. "$$ {1\over2}$$"
Q: The value of $$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$ is:
1602 05f06d8de8e4486214299412c
5f06d8de8e4486214299412c- 18false
- 220false
- 316true
- 44false
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Answer : 3. "16"
Q: $$ {{2^n+2^{n-1}}\over {2^{n+1} -2^n}}=?$$
1067 05f3f91df9ab97f7febf678e4
5f3f91df9ab97f7febf678e4- 1$$ {3\over2}$$true
- 22false
- 33false
- 4$$ {2\over3}$$false
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Answer : 1. "$$ {3\over2}$$"
Q: If $$ (3^{33}+3^{33}+3^{33})(2^{33}+2^{33})=6^x$$, the what is the value of x?
3534 05d71fa9124421948066491ce
5d71fa9124421948066491ce- 134true
- 235false
- 333false
- 433.5false
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Answer : 1. "34"
Q: If 5a=3125, then the value of 5(a-3) is:
1710 05ee058603f1add232d831e48
5ee058603f1add232d831e48- 125true
- 2125false
- 3625false
- 41625false
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Answer : 1. "25"
Q: $$ \sqrt{217+\sqrt{48+\sqrt{256}}}=?$$
1618 05efeb2c87228dd6b06e754d3
5efeb2c87228dd6b06e754d3- 114false
- 215true
- 314.4false
- 416false
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Answer : 2. "15"
Q: Find the cube root of $$ ^{3}\sqrt{-13824}$$.
976 05f40d93cb8958f14fa2b014d
5f40d93cb8958f14fa2b014d- 124false
- 238false
- 3-24true
- 4-38false
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Answer : 3. "-24"
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