Question

Probability that a two digit number formed using the digits 1, 2, 3, 5, 6, 7 (without repetition of digits) is divisible by 11 is---​

Answer 1

total no. formed by two digit=7×7=49

formed no. divisible by 11= 11,22,33,55,66,77= 6 numbers

possibility = fav. outcomes/total outcomes

=7/49= 1/7= 0.143

correct answer