CAT Exam

A & B can complete a work individually in 12 and 24 days respectively, after b has work for 12 days a joined b and then they together complete the work if they earn rs 180 then find the share of a

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A will get 60 where as B will get 120
10 years agoHelpfull: Yes(3) No(1)

CAT Other Question

A square tin sheet of side 12 inches is converted into a box with open top in the following steps the sheet is placed horizontally. Then, equal sized squares, each of side x inches, are cut from the four corners of the sheet. Finally, the four resulting sides are bent vertically upwards in the shape of a box. If x is an integer, then what value of x maximizes the volume of the box?
option
(1) 3
(2) 4
(3) 1
(4) 2 Out of all the 2-digit integers between 1 and 100, a 2-digit number has to be selected at random. What is the probability that the selected number is not divisible by 7?
option
(A) 13/90
(B) 12/90
(C) 78/90
(D) 77/90