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West Bengal has recently unveiled its own state emblem. It was designed by Chief Minister Mamata Banerjee herself and contains the symbol of Ashoka Chakra.
40 pens are there in a box where 22 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
In a lottery, there are 11 prizes and 22 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...A bag contains 3 black and 9 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...The probability of selecting a rotten apple randomly from a heap of 350 apples is 0.18. What is the number of rotten apples in the heap?
...22 defective pens are accidentally mixed with 136 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen i...
Three Marbles and three balls are kept in a box. If two items are chosen at random, Find the probability that one is marble and another one is ball?
The likelihood that Maya secures a place in college D is 90% and in college E is 85%. Maya's order of preference is 'D', then 'E', and finally 'F'. Assu...
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 6.25 times that of drawing a white ball,...
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 box contains 8 red, 5 green, and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls drawn are of...
