Picking balls from a bagCAT Previous-Year Questions

1 previous-year question on Picking balls from a bag from CAT, with full solutions. Practise free — check answers as you go; sign in to save your progress.

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Picking balls from a bag · CAT PYQs

CAT 1993 · QA
Passage / Data

Answer the next 2 questions based on the information given below:

A function f(x) is said to be even if f(–x) = f(x), and odd if f(–x) = –f(x). Thus, for example, the function given by f(x) = x2 is even, while the function given by f(x) = x3 is odd. Using this definition, answer the following questions.

Q1.

A box contains 6 red balls, 7 green balls and 5 blue balls. Each ball is of a different size. The probability that the red ball selected is the smallest red ball, is