Calculation & Estimation Techniques

21 Questions | Total Attempts: 371

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Calculation Quizzes & Trivia

Dear Student, This Assessment consists of questions to test your understanding on - Calculation & Estimation Techniques You may attempt the same and clarify doubts in WP Group. / With your Faculty Member Regards, Team SHIVAM.


Questions and Answers
  • 1. 
    Find the unit’s digit of 13 ^ 137 + 17 ^ 731 + 18 ^ 138 + 12 ^ 432
    • A. 

      5

    • B. 

      6

    • C. 

      7

    • D. 

      8

  • 2. 
    Find the difference in the number of trailing zeros between 624! And 625!
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 3. 
    A is the product of 1st 100 multiples of 2 and B is the product of the 1st 10 multiples of 5. How many zeros will be in the end of A/B
    • A. 

      10

    • B. 

      11

    • C. 

      12

    • D. 

      13

  • 4. 
    Find the last 2 digits of 47 ^ 89
    • A. 

      66

    • B. 

      67

    • C. 

      68

    • D. 

      69

  • 5. 
    If there are 30 zeros at the end of n! , find n ?
    • A. 

      89

    • B. 

      99

    • C. 

      100

    • D. 

      N DOES NOT EXIST

    • E. 

      NONE OF THE OPTIONS

  • 6. 
    Find unit digit of the expression 123 ^123
    • A. 

      3

    • B. 

      7

    • C. 

      1

    • D. 

      None

  • 7. 
    Find the highest power of 12 in 50!
    • A. 

      4

    • B. 

      8

    • C. 

      22

    • D. 

      None

  • 8. 
    A four digit perfectly square number has its first two digits same and also the last two digits same. Find the number
    • A. 

      8833

    • B. 

      6655

    • C. 

      7744

    • D. 

      9922

  • 9. 
    The number of trailing zeros in 6! X 8! X 10! Is
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 10. 
    How many zeros will be at the end of 124 !
    • A. 

      26

    • B. 

      27

    • C. 

      28

    • D. 

      29

  • 11. 
    Find the unit’s digit of 2018 ^ 98
    • A. 

      4

    • B. 

      8

    • C. 

      2

    • D. 

      6

  • 12. 
    If the number of trailing zeros of n ! is 35 then the value of n is
    • A. 

      140

    • B. 

      142

    • C. 

      144

    • D. 

      All the Three

  • 13. 
    Find the last digit of the following : 1961  + 2961 + 3961 +……+ 9961
    • A. 

      3

    • B. 

      4

    • C. 

      5

    • D. 

      6

  • 14. 
    Find the last two digit of the expression 6713
    • A. 

      87

    • B. 

      67

    • C. 

      47

    • D. 

      27

  • 15. 
    Find the number of zeros in 6! 6!
    • A. 

      120

    • B. 

      720

    • C. 

      6! X 6!

    • D. 

      Cannot be determined

  • 16. 
    Find the highest power of 12 in 100!
    • A. 

      37

    • B. 

      47

    • C. 

      48

    • D. 

      8

  • 17. 
    Which of the following cannot be the number of zeros at the end of n!
    • A. 

      28

    • B. 

      29

    • C. 

      31

    • D. 

      32

  • 18. 
    Find the last digit of the product of 24 x 36 x 38 x 52 x 63 x 57 x 94
    • A. 

      2

    • B. 

      4

    • C. 

      6

    • D. 

      8

  • 19. 
    Given that 100! = 56P x Q , where Q is not a multiple of 7 find P
    • A. 

      12

    • B. 

      14

    • C. 

      16

    • D. 

      18

  • 20. 
    N= (5 + 55 +555…..5555555555) If N is divided by 8 find the remainder 
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 21. 
    Find the remainder (22225555 + 55552222) ÷ 7
    • A. 

      0

    • B. 

      1

    • C. 

      3

    • D. 

      7

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