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Short method- Icrease percent in the area= 8+5+(8×5)/100 = 13+.40=13.4%
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 7 (one rupee coins), 4 (two rupee coin) and 5 (ten rupee coin). Find the probability that 3 coins drawn at random are either (two rupee c...
The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money th...
A bag contains 4 white balls, 5pink balls and 3 black balls. 2 balls are drawn randomly. What is the probability that there are no black balls?
If the letters of the word HORIZON be arranged at random, what is the probability that vowels are not together?
A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
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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...
A bag contains 20 black and 22 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
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