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Total mixture of Apple juice and water = 63 Let the mixture contain apple juice =3x and water = 4x 3x + 4x = 63 X = 9 So now – 
(and 6 liters of water is added then) Now the percentage of apple juice in the total mixture = (21/55) ×100 =2100/55 =38.1%
A bag contains 4 red bands, 4 green bands and 6 blue bands. Two bands are drawn randomly. What is the probability that at most one band is red?
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
In a jar, there are (x + 8) red balls, ‘x’ blue balls, and (x + 2) black balls. If the probability of picking two blue balls at random is (1/45), th...
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is 3 times that of drawing a white ball, find the ...
Mohit is a teacher and he teach some students in two (Morning & evening) slots. There are 5 boys and ‘x’ girls in morning slot, while there are ‘x...
In a box, there are 6 red balls, 8 green balls, and 10 blue balls. If one ball is drawn at random, what is the probability that the ball drawn is either...
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...
Roger Federer gets a chance of 60% to win 1st set of tennis and Andy Murray gets a chance of 55% to win 2nd set of tennis. In what Percent of cases are ...
A jar contains 10 oranges, 4 pink, 7 black, and 5 purple marbles. If a single marble is chosen at random from the jar, what is the probability that it i...
A box contains (x + 10) pencils, (x + 15) pens, and (x + 20) markers. The probability of drawing a marker from the box is (2/5). Find the number of pens...
