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)/(4) of B , then A:B is

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 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 A : B=2:3, B : C=2:4 a n d C : D=2:5, t h e n A : D is equal to 1:5 b. 2:15 c. 4:5 d. 5:2

If a : b=5:7 a n d c : d=2a :3b , t h e n a c : b d is 10 : 21 b. 20 : 38 c. 50 : 147 d. 50 : 151

If A:B = 3:4 and B:C= 6:5 then A:(A+C) is: A. 9:11 B. 9:10 C. 9:19 D. 6:7

Three persons are walking from a place A to another place B.Their speeds are in the ratio of 4:3:5. The time ratio to reach B by these persons will be 4:3:5 b.5:3:4 c.15:9:20 d.15:20:12

If \ ^(n+1)C_3=2.\ \ ^n C_2\ t h e n= 3 b. 4 c. 6 d. 5