Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Number System Rational or Irrational Numbers
Which of the following is true?
1
If a is a positive integer, then √a is a rational number
2
The square root of a prime number is not a rational number
3
There is a perfect cube which ends in 4
4
More than one of the above
5
None of the above