Subject :IMO Class : Class 7
Which of the following statements is true ?
(A) 1 and -1 are reciprocal of themselves
(B) Zero has no reciprocal
(C) The product of two rational numbers is a rational number
(D) All of the above
Ans 1:
Class : Class 7
A
Ans 2:
Class : Class 8
D
Ans 3:
Class : Class 8
A
Ans 4:
Class : Class 3
D