Question
Average run scored by a batsman in first
‘x’ matches is 43. In next 14 matches he scored runs with an average of 63 so that his overall average increased by 5. Find the value of x.Solution
A bag has 4 red, 3 blue, and 3 green balls. Two are drawn without replacement. Find probability that both are of different colors.
If a coin is tossed 10 times then what is the probability of getting three heads?
A bag has 7 pink, 4 black and 3 yellow balls while another bag has 5 pink, 6 yellow and 3 blue balls. A bag is selected at random and a ball drawn out ...
A bag contains 3 blue, 2 green, and 5 black pens. If five pens are selected randomly, what is the probability that exactly two are green and three are b...
- A box contains ‘x’ indigo, ‘x – 4’ violet and ‘x – 8’ blue balls. If two balls are drawn at random then probability of getting a violet bal...
A bag contains 3 white balls, 6 black balls and 5 red balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same c...
A box contains (x + 3) black balls, 6 yellow balls, and 5 orange balls. If two balls are selected at random and the probability of selecting two orange ...
A bag holds a total of 7 balls, consisting of 3 red balls and 4 black balls. If two balls are randomly drawn from the bag without replacement, what is t...
The names of 17 students from section A, 18 students from section B and 19 students from section C were selected. The age of all the 54 students was dif...
- Two cards are drawn without replacement from a deck of 52 playing cards. Find the probability that both cards are kings.
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