A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours?
62
48
12
24
Correct Answer : D
The 288th term of the series a, b, b, c, c, c, d, d, d, d, e, e, e, e, e, f, f, f, f, f, f…. is
The infinite sum 1?+4 / 7+?9 / 72+?16 / 73 ? 25 / 74 ? .... equals
What is the sum of all two-digit numbers that give a remainder of 3 when they are divided by 7