How many integers, greater than 999 but not greater than 4000, can be formed with the digits 0, 1, 2, 3 and 4, if repetition of digits is allowed?
Correct Answer : D
Suppose n is an integer such that the sum of the digits of n is 2, and 1010 < n < 1011. The number of different values for n is
There are 60,84 and 108 students respectively writing exams in three different exams. If student writing different exams cannot sit in the same room and each room has to seat the same number of students, what is the least number of rooms to seat everyday?
What are the values of the digits A and B if the number 79A856776B is divisible by 8 and 9?