Math Ch-1 Mock Test

10 Questions

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Math Ch-1 Mock Test


Questions and Answers
  • 1. 
    1. The decimal expansion of number has:
    • A. 

      A terminating decimal

    • B. 

      Non-terminating but repeating

    • C. 

      Non-terminating non repeating

    • D. 

      Terminating after two places of decimal

  • 2. 
    The values of x and y in the given figure are:
    • A. 

      X = 10; y = 14

    • B. 

      X = 21; y = 84

    • C. 

      X = 21; y = 25

    • D. 

      Terminating after two places of decimal

  • 3. 
    For any positive integer a and 3, there exist unique integers q and r such that a = 3q + r, where r must satisfy :
    • A. 

      0 ≤ r < 3

    • B. 

      1 < r < 3

    • C. 

      0 < r < 3

    • D. 

      Terminating after two places of decimal

  • 4. 
    The HCF and LCM of two numbers are 33 and 264 respectively. When the first number is completely divided by 2 the quotient is 33. The other number is:
    • A. 

      66

    • B. 

      130

    • C. 

      132

    • D. 

      196

  • 5. 
    What will be the least possible number of the planks, if three pieces of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length?
    • A. 

      5

    • B. 

      6

    • C. 

      7

    • D. 

      Terminating after two places of decimal

  • 6. 
    L.C.M. of 23 × 32 and 22 × 33 is :
    • A. 

      23

    • B. 

      33

    • C. 

      23 x 33

    • D. 

      22 x 32

  • 7. 
    If A = 2n + 13, B = n + 7, where n is a natural number then HCF of A and B is:
    • A. 

      2

    • B. 

      1

    • C. 

      3

    • D. 

      4

  • 8. 
    The decimal expansion of the rational number will terminate after
    • A. 

      2

    • B. 

      1

    • C. 

      3

    • D. 

      4

  • 9. 
    The product of rational and irrational no is
    • A. 

      Rational

    • B. 

      Irrational

    • C. 

      Both of above

    • D. 

      None of above

  • 10. 
    If two positive integers a and b are written as a = x3y2 and b = xy3; x, y are prime numbers, then HCF (a, b) is
    • A. 

      XY

    • B. 

      Xy2

    • C. 

      X3y3

    • D. 

      X2y2

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