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Mathematics

Surds And Indices MCQs

Practice Surds And Indices MCQs for competitive exams.

Surds And Indices MCQs

Practice questions from this topic.

If x = sqrt(1) + fracsqrt(3) 2 - sqrt(1) - fracsqrt(3) 2, then the value of fracsqrt(2) - xsqrt(2) + x will be closest to:

  1. A. 0.12
  2. B. 1.4
  3. C. 1.2
  4. D. 0.17
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If a = b p , b = c q , c = a r then pqr is

  1. A. 1
  2. B. 0
  3. C. -1
  4. D. abc
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If M = 0.1 + (0.1) 2 + (0.01) 2 and N = 0.3 + (0.03) 2 + (0.003) 2 , then what is the value of M + N?

  1. A. 0.411009
  2. B. 0.413131
  3. C. 0.313131
  4. D. 0.131313
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The value of frac3 times 9^n + 1 + 9 times 3^2n - 19 times 3^2n - 6 times 9^n - 1 is equal to-

  1. A. 3frac35
  2. B. 3frac25
  3. C. 3frac15
  4. D. 3
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If x = sqrt(aroot) 3 of absqrt(aroot) 3 of ab..... propto, then the value of x is:

  1. A. root 5 of a^2b
  2. B. root 5 of a^4b^4
  3. C. root 6 of a^5b
  4. D. root 5 of a^4b
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If m n = 169, what is the value of (m + 1) (n - 1) ?

  1. A. 14
  2. B. 13
  3. C. 196
  4. D. 170
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Which of the following is true? eqalign& textI.frac1root 3 of 12 > frac1root 4 of 29 > frac1sqrt 5 cr & textII.frac1root 4 of 29 > frac1root 3 of 12 > frac1sqrt 5 cr & textIII.frac1sqrt 5 > frac1root 3 of 12 > frac1root 4 of 29 cr & textIV.frac1sqrt 5 > frac1root 4 of 29 > frac1root 3 of 12 cr

  1. A. Only I
  2. B. Only II
  3. C. Only III
  4. D. Only IV
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Which of the following statement(s) is/are true? I. (65) 1/6 > (17) 1/4 > (12) 1/3 II. (17) 1/4 > (65) 1/6 > (12) 1/3 III. (12) 1/3 > (17) 1/4 > (65) 1/6

  1. A. Only I
  2. B. Only III
  3. C. Only II
  4. D. None of these
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Which of the following statement(s) is/are true. eqalign& textI.sqrt(64) + sqrt(0.0064) + sqrt(0.81) + sqrt(0.0081) = 9.07 cr & textII.sqrt(0.010201) + sqrt(98.01) + sqrt(0.25) = 11.51 cr

  1. A. Only I
  2. B. Only II
  3. C. Both I and II
  4. D. Neither I nor II
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Which of the following statement(s) is/are true I. (0.7) 2 + (0.07) 2 + (11.1) 2 > 123.8 II. (1.12) 2 + (10.3) 2 + (1.05) 2 > 108.3

  1. A. Only I
  2. B. Only II
  3. C. Both I and II
  4. D. Neither I nor II
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If y = frac2 - x1 + x, then what is the value of frac1y + 1 + frac2y + 1y^2 - 1?

  1. A. fracleft(1 + x)(2 - x)2x - 1
  2. B. fracleft(1 - x)(2 + x)x - 1
  3. C. fracleft(1 + x)(2 - x)1 - 2x
  4. D. fracleft(1 + x)(2 - x)1 - x
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The value of frac3sqrt(7) sqrt(5) + sqrt(2) - frac5sqrt(5) sqrt(2) + sqrt(7) + frac2sqrt(2) sqrt(7) + sqrt(5) is:

  1. A. 1
  2. B. 0
  3. C. 2√3
  4. D. √7
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