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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 847 × 385 × 675 × 3025 = 3 a × 5 b × 7 c × 11 d then the value of ab - cd is

  1. A. 4
  2. B. 7
  3. C. 5
  4. D. 1
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Let x = root 6 of 27 - sqrt(6frac34) and y = fracsqrt(45) + sqrt(605) + sqrt(245) sqrt(80) + sqrt(125), then the value of x 2 + y 2 is:

  1. A. frac22336
  2. B. frac22136
  3. C. frac2219
  4. D. frac2279
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The value of sqrt(28) + 10sqrt(3) - sqrt(7) - 4sqrt(3) is closest to:

  1. A. 7.2
  2. B. 5.8
  3. C. 6.1
  4. D. 6.5
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If textA = frac10.4 + frac10.04 + frac10.004 +....textupto 8 terms, then what is the value of A?

  1. A. 27272727.5
  2. B. 25252525.5
  3. C. 27777777.5
  4. D. 25555555.5
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If √5 = 2.236, then what is the value of fracsqrt(5) 2 + frac53sqrt(5) - sqrt(45)?

  1. A. -8.571
  2. B. -4.845
  3. C. -2.987
  4. D. -6.261
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Which value among 3 200 , 2 300 and 7 100 is the largest?

  1. A. 3 200
  2. B. 2 300
  3. C. 7 100
  4. D. All are equal
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The expression sqrt(10) + 2left(sqrt(6) - sqrt(15) - sqrt(10)) is equal to:

  1. A. √3 + √2 - √5
  2. B. √3 - √2 - √5
  3. C. √3 - √2 + √5
  4. D. √2 - √3 - √5
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What is the value of sqrt(121) + sqrt(12321) + sqrt(1234321) + sqrt(123454321)?

  1. A. 12345
  2. B. 123456
  3. C. 12344
  4. D. 123454
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Which of the following statement(s) is/are TRUE? eqalign& textI.sqrt(121) + sqrt(12321) + sqrt(1234321) = 1233 cr & textII.sqrt(0.64) + sqrt(64) + sqrt(36) + sqrt(0.36) > 15 cr

  1. A. Only I
  2. B. Only II
  3. C. Neither I nor II
  4. D. Both I and II
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The greatest of sqrt(2), root 6 of 3, root 3 of 4, root 4 of 5 is =?

  1. A. sqrt(2)
  2. B. root 3 of 4
  3. C. root 4 of 5
  4. D. root 6 of 3
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The greatest among the numbers (2.89)^0.5, 2 - (0.5)^2, 1 + frac0.51 - frac12, sqrt(3) is =?

  1. A. (2.89)^0.5
  2. B. text2 - (0.5)^2
  3. C. 1 + frac0.51 - frac12
  4. D. sqrt(3)
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The greatest one of sqrt(2), root 3 of 3, root 6 of 6, root 5 of 5 is =?

  1. A. sqrt(2)
  2. B. root 3 of 3
  3. C. root 6 of 6
  4. D. root 5 of 5
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