Two numbers are selected at random from the numbers `1, 2, . ..n.` Let p denote the probability that the difference between the first and second is not less than m, where `0 < m < n.` If `n=25 and m=10.` then `5p=`

A box contains 10 tickets numbered from 1 to 10 . Two tickets are drawn one by one without replacement. The probability that the "difference between the first drawn ticket number and the second is not less than 4" is

A box contains 10 tickets numbered from 1 to 10 . Two tickets are drawn one by one without replacement. The probability that the "difference between the first drawn ticket number and the second is not less than 4" is

A box contains 10 tickets numbered from 1 to 10 . Two tickets are drawn one by one without replacement. The probability that the "difference between the first drawn ticket number and the second is not less than 4" is

A box contains 10 tickets numbered from 1 to 10 . Two tickets are drawn one by one without replacement. The probability that the "difference between the first drawn ticket number and the second is not less than 4" is

Three numbers are selected at random without replacement from the set of numbers {1,2,….n}. The conditional probability that the third number lies between the first two, if the first number is known to be smaller than the second is

Two numbers are selected at random from 1, 2, 3,…., 100 without replacement. Find the probability that the minimum of the two numbers is less than 70.

A box contains 10 tickets numbered from 1 to 10. Two tickets are drawn one by one without replacement.The probability that the difference between the first drawn ticket number and the second is not less than 4 is.

Two numbers are chosen at random from {1, 2, 3, 4, 5, 6} at a time. The probability that the smaller of the two is less than 4, is

Three numbers are selected at random one by one with replacement from the numbers 1,2,3,….60. The probability that the A.M. of the numbers selected is 15 is.