Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Number System Real Number
Which of the following statements is not true for the set of whole numbers?
1
a + b = b + a
2
a – b = b – a
3
a × b = b × a
4
More than one of the above
5
None of the above