Question
In a certain code language ‘STAND’ is written as
‘RSBMC’ and ‘VITAL’ is written as ‘UJSBK’. How is ‘PLAIN’ written in that code?  ÂSolution
A box contains ‘x + 1’ green balls, ‘x + 4’ blue balls and ‘x – 2’ yellow balls. If the probability of drawing a yellow ball is 1/30 less ...
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...
The names of 10 students from section A, 12 students from section B and 14 students from section C were selected. The age of all the 36 students was dif...
A bag contains 8 red flowers and 11 yellow flowers. One flower is drawn at random. What is the probability that the flower drawn is a yellow flower?
A bag contains B red balls and 9 purple balls. If two balls are drawn at random, one after the other without replacement, and the...
A bag contains 35 white and some black balls. If the probability of drawing a black ball from the bag is 1.8 times that of drawing a white ball, find th...
- The ratio of sugar to flour packets in a store is 6:7. If 18 more packets of each are stocked, the ratio becomes 4:5. Find the original number of flour pac...
In a deck of 52 cards, what is the probability of drawing either a king or a heart?
A bag contains 15 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...
A bag contains 9 black and 10 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
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