Pakistan's best MCQs practice hub — FPSC · PPSC · CSS · NTS · Other Exams
Login

A bag has 3 black, 4 white balls. Probability of picking 2 white balls?

A1/7
B2/7
C3/7
D4/7

Explanation

C(4,2)/C(7,2) = 6/21 = 2/7.

Exam Relevance
  • Topic: Probability
  • Subtopic: Selection
Submitted by: mcqstutor Team More Mathematics MCQs →

No Comments

Leave a comment

Your email address will not be published. Required fields are marked *