Puzzles - Number puzzles
Exercise : Number puzzles
73.
Answer
:
4
Explanation
:
Working in rows from top to bottom, the sum of the digits in each row increases by 2 each time, from 20 to 30.
74.
Answer
:
A:15 B:38
Explanation
:
In the first oval, all numbers are Prime Numbers. In the second oval, all numbers are Square Numbers.
75.
Answer
:
3
Explanation
:
Working in rows, the number in the central oval equals the sum of the left and right hand numbers, divided by 3.
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