Question

If A and B are two sets then A-B=B-A if *

A⊂B

B⊂A

A=B

None Of These

2 If A.M : G.M = 13 : 12 for the two positive numbers, then the ratio of the numbers is *

4:1

4:9

3:4

2:3
​

Answer 1

Answer:

1.C

ifA-B=B-A

THEN A=B

Answer 2

Answer:

1. c. . . Fgggvhcxcfghhggggg