# power of 2

If n=1+x, where x is the product of four consecutive positive integers, then which of the following is/are true? (1999)

20

Apr

2

3,868 total views

3,868 total views Previous QuestionNext Question If n=1+x, where x is the product of four consecutive positive integers, then which of the following is/are true? [CAT, 1999] A. N is odd B. n is prime C. n is a perfect square a. A and C only b. A and B only c. A […]

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What is the digit in unit’s place of 2^51?

17

Apr

3,083 total views

3,083 total views Previous QuestionNext Question What is the digit in unit’s place of 251? [CAT, 1998]a. 2 b. 8 c. 1 d. 4 Solution: Although the problem of large exponents have been solved in many of the questions whose links can be found in this website, yet the exponent of 2 deserves a special attention. If the exponent […]

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What is the digit in unit’s place of 2^51? ,