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What is the unit’s digit of 121^(121)?...

What is the unit’s digit of `121^(121)`?

A

A)1

B

B)4

C

C)5

D

D)7

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The tens digit of (81)^(100)(121)^(100)-1 is

    A
    1
    B
    0
    C
    9
    D
    8

  • Find the unit digit of expression (599)^122 – (125)^625 – (144)^124 + (236)^36 + (127)^121

    A
    3
    B
    4
    C
    5
    D
    7

  • What is the vaue of sqrt 121 + sqrt 12321 + sqrt 1234321 + sqrt 123454321

    A
    12345
    B
    123456
    C
    12344
    D
    123454

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    The sum of a two digit number and the number obtained by reversing the order of its digits is 121. If units and ten's digit of the number are x and y respectively,then write the linear equation representing the above statement.

    How many 6 digit different number can formed with help of the digits of numbers 121 and 202?

    LCM of 121,1331,1221

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