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DUE SOON PLEASE HELP :((((

If the pattern below continues, in which column would the number 100 be? The number 500?

A | B | C | D | E |
1 | 2 | 3 | 4 | 5 |
9 | 8 | 7 | 6 | ? |
10| 11| 12| 13 | 14|
18| 17| 16| 15| ? |

User Skyrocker
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1 Answer

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Answer:

100: Column A, 500: Column E

Explanation:

Each of the columns increases by 9, but just in different ways.

"A" increases by 8, then by 1. 8+1=9

"B" increases by 6, then by 3. 6+3=9

"C" increases by 4, then by 5. 4+5=9

"D" increases by 2, then by 7. 2+7=9

Since all the other numbers in the rows across go up or down by one, it's safe to assume the missing numbers are 5 and 14, which means that the column "E" stays the same, then increases by 9.

100: Knowing that 11×9 is 99, and the pattern of Column A adds 1 after every addition of 8, the next number in the sequence is 100.

500: The closest that the 9 times table gets to 500 are numbers 495 (55×9) and 504 (56×9). And although column "E" increase by 0 and 9, it starts with 5. And 495+5=500, which answers the second question.

User Marcel Preda
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