Number puzzles

Number puzzles

46)

Answer	:	39
Explanation	:	Working from top to bottom, double each number and subtract 1, then 2, then 3 etc.

47)

Answer	:	16
Explanation	:	Starting bottom left and moving clockwise around the triangle, numbers follow the sequence of Square Numbers.

48)	View answer Discuss in forum Answer : 19 Explanation: As you move diagonally down, numbers follow the sequence of Prime Numbers.

49)	View answer Discuss in forum Answer : 9 Explanation: The number at the centre of each triangle equals the sum of the lower two numbers minus the top number.

50)	View answer Discuss in forum Answer : 6 Explanation: Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.