If `2/3A=75 %\ of\ B ,\ t h e n\ A : B` is `1:1` b. `9:8` c. `8:9` d. `10 : 11`

If 60% of\ A=3/4of\ B ,\ t h e n\ A : B is 4:5 b. 5:4 c. 9: 20 d. 20 :9

If 60% of A=3/4of B , t h e n A : B is 4:5 b. 5:4 c. 9: 20 d. 20 :9

If A : B=1/2:1/3n a d B : C=1/2:1/3, t h e n A : B : C is equal to 1:2:6 b. 3:2:6 c. 2:3:3 d. 9:6:4

If P(AuuB)=0. 8\ a n d\ P(AnnB)=0. 3 ,\ t h e n\ P( A )+P( B )= 0. 3 b. 0. 5 c. 0. 7 d. 0. 9

If P(AuuB)=0. 8\ a n d\ P(AnnB)=0. 3 ,\ t h e n\ P( A )+P( B )= a. 0. 3 b. 0. 5 c. 0. 7 d. 0. 9

If A and B are two independent events with P(A)=3/5a n d\ P(B)=4/9, t h e n\ P( A nn B ) equals 4/(15) b. 8/(45) c. 1/3 d. 2/9

If A and B are two independent events with P(A)=3/5a n d\ P(B)=4/9, t h e n\ P( A nn B ) equals 4/(15) b. 8/(45) c. 1/3 d. 2/9

If 20 % of A=B a n d 40 % of B=C t h e n 60 % of (A+B) is a.30 % of C b. 60 % of C c. 75 % of C d. none of these

If a :(b+c)=1:3 a n d c :(a+b)=5:7, t h e b :(a+c) is equal to 1:2 b. 1:3 c. 2:3 d. 2:1

If A=[i-i-i i]a n dB=[1-1-1 1],t h e nA^8 equals 4B b. 128 B c. -128 B d. -64 B