Mathematics MCQ's For Jobs Preparation (Part 8) 26 April 2019

IQ Test Key of Knowledge, Chain of Knowledge, Brain Teaser, Game of Brain

Q No 1. The least number of 4 digits which is perfect square is ?

          A. 1000
          B. 1015
          C. 1024
          D. 1038
Answer: (C) 1024

Q No 2. The greatest 4 number digits perfect square is  ?

          A. 9000
          B. 9801
          C. 9700
          D. 1000
Answer: (B) 9801

Q No 3. The smallest number added to 680621 to make the sum a perfect square is ?

          A. 4
          B. 6
          C. 8
          D. 9
Answer: (A) 4

Q No 4. What is the smallest number to be subtracted from 549162 in order to make it a perfect square ?

         A. 70
         B. 77
         C. 81
         D. 89
Answer: (C) 81

Q No 5. The least number by which 1470 must be divided to get a number which is a perfect square is ?

        A. 5
        B. 6
        C. 30
        D. 33
Answer: (C) 30

Q No 6. The least perfect square number divisible by 3, 4, 5, 6 and 8 is ?

            A. 3200
            B. 3300
            C. 3600
            D. 3900
Answer: (C) 3600

Q No 7. Which one of the following number has rational square root ?

               A. 0.4
               B. 0.9
               C. 0.09
               D. 9
Answer: (C) 0.09

Q No 8. √50 x √98 is square to ?

         A. 50
           B. 70
           C. 75
           D. 80
Answer: (B) 70

Q No 9. What is the square root of 0.16 ?

          A. 0.4
          B. 0.5
          C. 0.6
          D. 0.7
Answer: (A) 0.4

Q No 10. The square root of (272²_ 128²) is ?

          A. 210
          B. 230
          C. 240
          D. 250
Answer: (C) 240

Q No 11.Find the cube root of 2744 ?

       A. 14
       B. 16
       C. 19
       D. 21
Answer: (A) 14

Q No 12. Find the value of √0.89/0.00121 ?

       A. 150/9
       B. 170/11
       C. 175/7
       D. 177/13
Answer: (B) 170/11

Q No 13. What is the square root of 0.0009 ?

        A. 0.03
        B. 0.04
        C. 0.05
        D. 0.07
Answer: (A) 0.03

Q No 14. Find the value of √1-9/16 ?

        A. 1/2
        B. 1/3
        C. 1-1/4
        D. 2-2/5
Answer: (C) 1-1/4

Q No 15. Evaluate √6084 by factorisation method ?

        A. 78
        B. 72
        C. 66
        D. 65
Answer: (A) 78

Q No 16. If m and n are whole numbers such that mn=121, then the value of (m-1)*+1 is ?

            A. 10
            B. 100
            C. 121
            D. 1000
Answer: (D) 1000

Q No 17. (1000)7 + 1015 = ?

        A. 10
        B. 100
        C. 1000
        D. 10000
Answer: (C) 1000

Q No 18. 5, 10, 13, 26, 29, 58, 61, ___ ?

          A. 122
          B. 64
          C. 125
          D. 126
Answer: (A) 122

Q No 19. 4, -8, 16, -32, 64, --- ?

         A. 128
         B. -128
         C. 192
         D. -192
Answer: (B) -128

Q No 20. 8, 27, 125, 343, 1331, ____ ?

          A. 1331
          B. 343
          C. 125
          D. None of These
Answer: (D) None of These

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