A box contain 2 white and 3 blue identical balls. If two ...
A box contain 2 white and 3 blue identical balls. If two balls are picked at random, one after the other, without replacement, what is the probability of picking two balls of different colours?
525
720
35
23
56
Correct answer is C
No explanation has been provided for this answer.
If 23y = 1111two, find the value of y...
find the radius of a sphere whose surface area is 154cm2 (π=227)...
Describe the locus L shown in the diagram below ...
In the figure, AB is parallel to CD then x + y + z is ...
Find the number of ways that the letters of the word EXCELLENCE be arranged ...