PUNE MCA Exam 2017 Question Paper with answers for online practice

Question : 19 of 41

Marks: +1, -0

Which is not correct ?

the greatest integer less than equal to $(√{2}+1)^6$ is 197.
the integer next above $(√{3}+1)^{2n}$ contains $2^{m+1}$ as a factor.
the greatest integer less than equal to $4(√3+{7})^m$ is a multiple of 2.
if $R=6(√6+4)^{2n+1}$ and f is the fractional part of R, the fractional part of R, the product of R and f is $20^{2n+1}$ .

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