Question
A bag contains 12 black and 14 white balls. One
ball is drawn at random. What is the probability that the ball drawn is white?Solution
Average age of company A is 22 years and average age of both companies A and B is 14 years. If the ratio of number of employees in company A and B is 3:...
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A group of students consists of 25 boys and the rest are girls. The average marks scored by boys is 72, and the average marks scored by girls is 84. If ...
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
