Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

A box contains two white balls, three black balls and four red balls. In how many ways can three balls be drawn from the box, if at least one black ball is to be included in the draw?

Answer: (A)

Solution

All draws of balls from the balls: . Draws with no black ball use only the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-020653