Let `x = 33^n` . The index n is given a positive integral value at random. The probability that the value of x will have 3 in the units place isA. `(1)/(2)`B. `(1)/(3)`C. `(1)/(4)`D. none of these

Let `x = 33^n` . The index n is given a positive integral value at ran

1.	Let `x = 33^n` . The index n is given a positive integral value at random. The probability that the value of x will have 3 in the units place isA. `(1)/(2)`B. `(1)/(3)`C. `(1)/(4)`D. none of these
Answer» Correct Answer - C We observe that the numbers in the set A have either 3 or 9 or 7 or 1 at units place. Thus, the numbers in set A can be grouped into four groups viz. numbers having 1 at units place, numbers having 3 at units place, numbers having 7 at units place and numbers 9 at units place. `therefore` Required probability `=(1)/(4)`

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Let `x = 33^n` . The index n is given a positive integral value at random. The probability that the value of x will have 3 in the units place isA. `(1)/(2)`B. `(1)/(3)`C. `(1)/(4)`D. none of these

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