Maths Riddles 7
Riddle: How many combinations of two digit numbers having 2 can be made from the following numbers? 7, 8, 9, 4, 2.
Answer: Answer : 9. Explanation : The possibe two digit numbers that can be made are: 72, 82, 92, 42, 22, 24, 29, 27, 28. These altogether are 9 in number.
Source: https://riddles.com/index.php/6138
