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Young Indian Grandmaster R. Praggnanandhaa has won the title of V Geza Hetenyi Memorial Super GM Chess Tournament 2023 in Hungary. 17-year-old Praggnanandha scored 6.5 points to finish first in the 10-player event
Two players, A and B, play a tennis match. It is known that the probability of A winning the match is 0.65. What is the probability of B winning the mat...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect squ...
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...
The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap?
...A bag contains 25 white and some black balls. If the probability of drawing a black ball from the bag is 1.4 times that of drawing a white ball, find th...
One bag contains 5 yellow hats and 4pink hats. Another bag contains 3 yellow hats and 7pink hats. If one hat is drawn from each bag, what is the probabi...
There are 30 cars standing in a parking lot which consist of silver, grey and white cars. The number of grey and white cars are equal, and the number of...
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 12 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
