Question
If a student scores 35% marks, then he is failed by 60
marks but he scores 48% marks he is passed by 96 marks. Find the passing percentage?Solution
In a basket, there are (x + 7) red balls, ‘x’ blue balls, and (x + 3) black balls. If the probability of picking two blue balls at random is (1/28),...
A bag contains 19 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the nu...
The probability of selecting a rotten egg randomly from a basket of 250 eggs is 0.2. What is the number of rotten eggs in the basket?
Out of three girls and five boys, five children are to be randomly selected for a dance programme. What is the probability that all the selected childre...
Two Dice are thrown simultaneously. Find the probability that the number on the first dice is more than the number of 2nd Dice.
- 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.
If two socks are chosen at random, what is the probability that either all are green or all are black socks?
Coupons numbered 1 to 10 are shuffled and one is drawn what is the probability that it bears an odd number which is also a multiple of 3?
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...
A bag contains 7 blue balls, 28 red balls, and 10 green balls. One ball is drawn at random. Find the probability that the ball drawn is either blue or g...
