Question
A bag contains 5 red and 3 green balls. Two balls are
drawn at random. Find the probability that both balls are red.Solution
Total number of balls = 5+3 = 8. Probability of drawing a red ball on the first draw = 5/8. Probability of drawing a red ball on the second draw, given that the first ball was red = 4/7. So, the probability of both balls being red = (5/8) * (4/7) = 5/14. Ans. a
45, 166, 607, 1568, 3249, ?
81, 83, 87, 95, 111, ?
114, 156, ?, 238, 274, 304
17, 19, 41, 127, 513, ?Â
What will come in place of (?) question mark in the given number series.
960, 960, 480, ?, 40, 8
16, 24, 36, ?, 81, 121.5
Choose the missing term?
B, D, F, I, L, P, ?
What will come in place of the question mark (?) in the following series?
10, 11, 15, 31, 95, ?
What will come in place of the question mark (?) in the following series?
120, 130, ?, 140, 100, 150
- 8, 12, 18, 27, ?