A two-digit number, read from left to right, is 4.5 times as large as the same number read from right to left. What is the number?
Some ducks are marching across a path. There's a duck in front of two ducks, there's a duck behind two ducks, and there's a duck in the middle of two ducks.
What's the least number of ducks that there could have been?
PUZZLE 15 : 18 and 81
PUZZLE 16 : 3 Ducks.
FOR MORE PUZZLES CLICK HERE