Surds and Indices Practice Question and Answer
8 4 Q:
5f0ec3aff4c8bf4bad01e0ab 4 Q:
5f06d9453f7f07047795d6ff 4 Q:
5f06d8de8e4486214299412c 4 Q:
5efeb2c87228dd6b06e754d3 4 Q:
5efeaf1bd4461c5b47dcea3c 4 Q:
5ef1844a2c39485d739e5926 4 Q:
5ee059330cb2490dae74f104 4 Q:
5ee058603f1add232d831e48
Q: $$ \sqrt{.081×.484\over0.0064×6.25}=?$$
979 05f0ec3aff4c8bf4bad01e0ab
5f0ec3aff4c8bf4bad01e0ab- 19false
- 20.9false
- 30.99true
- 499false
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Answer : 3. "0.99"
Q: If $$ \sqrt{0.04×0.4×a} =0.4×0.04×{\sqrt{b}}$$ then the value of $$ {a\over b}$$ is:
1180 05f06d9453f7f07047795d6ff
5f06d9453f7f07047795d6ff- 10.016true
- 20.16false
- 31false
- 416false
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Answer : 1. "0.016"
Q: The value of $$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$ is:
1154 05f06d8de8e4486214299412c
5f06d8de8e4486214299412c- 18false
- 220false
- 316true
- 44false
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Answer : 3. "16"
Q: $$ \sqrt{217+\sqrt{48+\sqrt{256}}}=?$$
1220 05efeb2c87228dd6b06e754d3
5efeb2c87228dd6b06e754d3- 114false
- 215true
- 314.4false
- 416false
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Answer : 2. "15"
Q: If $$ 3 ^{2x-y}=3^{x+y}=\sqrt{27}$$ then the value of y is
895 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: If $$ {2^{2n-1}}={1\over8^{n-3}}$$,then the value of n is:
804 05ef1844a2c39485d739e5926
5ef1844a2c39485d739e5926- 13false
- 22true
- 30false
- 4-2false
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Answer : 2. "2"
Q: If 3 (X-Y)=27 and 3 (X+Y)=243, then X is equal to:
1019 05ee059330cb2490dae74f104
5ee059330cb2490dae74f104- 10false
- 22false
- 34true
- 46false
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Answer : 3. "4"
Q: If 5a=3125, then the value of 5(a-3) is:
1244 05ee058603f1add232d831e48
5ee058603f1add232d831e48- 125true
- 2125false
- 3625false
- 41625false
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Answer : 1. "25"
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