Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Probashi Kallyan Bank
Probashi Kallyan Bank-SEO(19.01.2018)
Probability, Permutation and Combination
Probashi Kallyan Bank-SEO(19.01.2018)
There are 15 balls in a box: 8 balls are green, 4 are blue and 3 are white. Then 1 green and 1 blue ball are taken from the box and put away. What is the probability that a blue ball is selected at random from the box?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (3/13)
