Question

55. The last digit of the number is
(a)
(b) 1
(c) 2
(d) 3​

Answer 1

Answer:

3 is the last digit of the number

Answer 2

Answer:

To find last digit of a number, we use modulo operator %. When modulo divided by 10 returns its last digit.

Suppose if n = 1234

then last Digit = n % 10 => 4

To finding first digit of a number is little expensive than last digit. To find first digit of a number we divide the given number by 10 until number is greater than 10. At the end we are left with the first digit

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