Sum of three Natural numbers a, b and c is 10. How many ordered triplets (a, b, c) exist?
Sum of three Whole numbers a, b and c is 10. How many ordered triplets (a, b, c) exist?
In how many ways 11 identical toys be placed in 3 distinct boxes such that no box is empty?
a, b, c are three distinct integers from 2 to 10 (both inclusive). Exactly one of ab, bc and ca is odd. abc is a multiple of 4. The arithmetic mean of a and b is an integer and so is the arithmetic mean of a, b and c. How many such triplets are possible (unordered triplets)?
A seven-digit number comprises of only 2's and 3's. How many of these are multiples of 12?