Question
A box contains 6 Brown and 8 Blue caps. There is another
box which contains 8 Brown and 7 Blue caps. One cap is to drawn from either of the two boxes. What is the probability of drawing a Blue caps?Solution
Probability of one box = 1/2 First box blue cap probability = 1/2 × 8/14 Second box blue cap probability = 1/2 × 7/15 Adding both = 1/2 × 8/14 + 1/2 × 7/15 = 109/210
More Probability Questions
√3598 × √(230 ) ÷ √102= ?
15% of 2400 + (√ 484 – √ 256) = ?
(13)2 - 3127 ÷ 59 = ? x 4
6269 + 0.25 × 444 + 0.8 × 200 = ? × 15
...(53 + 480 ÷ 4)% of 20 = ?% of 70
Find the simplified value of the following expression:
62 + 122 × 5 - {272 + 162 - 422}
(15 × 225) ÷ (45 × 5) + 480 = ? + 25% of 1240
√ [? x 11 + (√ 1296)] = 16
11 × 25 + 12 × 15 + 14 × 20 + 15 = ?
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