IIT JEE PROBABILITY If `n` integers taken at random are multiplied together , then the probabi...

778 views · Published 25 September 2017 · 3:36 · Indexed 22 September 2026

Channel: Doubtnut · 2017 · Education

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This is the Solution of question from Cengage Publication Math Book Algebra Chapter 6 PROBABILITY written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/7cyvRN96vR

 If `n`
integers taken at random are multiplied together , then the
 probability that the last digit of the product is 1, 3, 7, or 9 is
a. `2^n//5^n`
b. `4^n-2^n//5^n`
c. `4^n//5^n`
d. none of these

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