Question
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.Solution
ATQ,
Desired probability = ³C₂ / ¹⁰C₂ = 3 / 45 = 1/15
The number of five–digit telephone numbers having at least one of their digits repeated is
__________is the process that connects to a network without the use of cables.
MICR Stands for?
Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the wo...
The area of a regular hexagon of side 8√3cm is?
Two numbers P and Q are in the ratio 5:8. If X is added to the smaller number and 12 is subtracted from the larger number, the ne...
Which of the following shortcut key use to check Spellings in MS Office?
In a mixture 'P', 5 liters of water are replaced with honey, resulting in the mixture containing 55% honey. If the original mixtu...
Vishnu travelled equal distances at speeds of 10 km/hr., 30 km/hr., and 8 km/hr., and took a total of 15.5 minutes to complete. Find the total distance ...
A sum of Rs. 663 is divided among X, Y and Z such that X gets Rs. 156 more than Y. Y gets Rs. 78 more than Z. Find the share of Z?
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