View Answer & 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.
In the first oval, all numbers are Prime Numbers. In the second oval, all numbers are Square Numbers.
Working in rows, the number in the central oval equals the sum of the left and right hand numbers, divided by 3.
< Prev [ Page 25 of 93 Jump... ] Next >
Contact us: email@example.com
Follow us on twitter!