Quantitative Aptitude Interview Question:

What is the probability that 4 numbers selected from 1 to 40 are not consecutive?

Submitted by: Administrator

From 1 to 40 there are 37 possible combinations of 4 consecutive numbers.

Total number of possible combinations= 40C4.

Probability of outcome to be consecutive = 37/(40C4)= 1/2470

Probability of outcome not to be consecutive = 1-(1/2470)= 2469/2470
Submitted by: Administrator