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View Answer & Explanation
Answer |
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4 |
Explanation |
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Working in rows from top to bottom, the sum of the digits in each row increases by 2 each time, from 20 to 30. |

View Answer & Explanation
Answer |
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A:15 B:38 |
Explanation |
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In the first oval, all numbers are Prime Numbers. In the second oval, all numbers are Square Numbers. |

View Answer & Explanation
Answer |
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3 |
Explanation |
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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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