Question
In a class Pratik ranks 22nd from top and
27th from bottom, how many students are there in that class?Solution
The correct answer is A
A bag contains x red, (x+4) blue, and (x+8) green balls. If the probability of getting a blue ball is 1/8 more than that of getting a red ball, then fin...
A bag contains 15 black balls, 25 white balls, and 20 yellow balls. If three balls are drawn at random with replacement, what is the probability of draw...
A bag contains cards numbered between 33 and 102. If one card is drawn from the bag, the probability that the number on the drawn card is a perfect squa...
Two dice are thrown simultaneously. Find the probability that sum of the numbers appeared on both the dice is at least 7.
A bag contains 7 red gems, 8 yellow gems and 5 green gems . 3 gems are drawn randomly. What is the probability that the
The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of rando...
A container holds 15 orange, 9 purple, and 6 gray balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
- There are 7 blue and 3 white balls in a basket. Two balls are drawn randomly. Find the probability that both the balls are white.
A box contains 5 red, 4 blue, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are green?
From a bag containing 12 white and 15 yellow ribbons, find the probability of picking 2 ribbons of each type at random.
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