Infosys Company Numerical Ability Ratio and Proportion

What is the equivalent compound ratio of 5:6::7:10::6:5

Read Solution (Total 2)

(5*7*6)/(6*10*5)=7/10
11 years agoHelpfull: Yes(4) No(1)

105:146::105:150
equivalent ratio
12 years agoHelpfull: Yes(0) No(2)

Infosys Other Question

Three numbers are selected at random without replacement from n number,what is the probability that the first number drawn will be the smallest and the second is the largest In an island three persons are there Jam, Dam, and Sam. Sam having pencil, Dam having cap and Jam having book .we have find who is author among them if
(1) Sam says, Jam is author but author wearing cap.
(2) Dam says, I am author but author not having cap.
(3) Sam says, I am author but author having note book
Find who is author?