Real Number Quiz 12

Which of the following pair of numbers is co-prime ?

Which of the following is not an irrational number ?

Which of the following is a rational number ?

Which of the following four digit numbers is a perfect square such that the first two digits and the last two digits considered separately also represent perfect squares ?

The solution of which equation is an irrational number ?

Which of the following is always true?

Among the following a rational number is ……………

If $log_3\,2,\,log_3\,(2^x-5)\;and\;log_3\,(2^x-\frac{7}{2})$ are in A.P. then x is

If n is an odd natural number, $3^{2n}+2^{2n}$ is always divisible by …………

Given that the units digit of $A^3$ and A are the same where A is a single digit natural number. How many possibilities can A assume ?