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2/4 Number series

Which number comes next? 25,24,22,19,15,?

Use subtraction

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What is fael spelt backwards?

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Matthew Fentonsays...

The answer is 10 because the first 2 numbers start counting down by 1 the next count by 2 then the next sequence by 3 then 4 then 15 minus 5 is 10.

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backstreet boysays...

B. 10. The sequence goes -1,-2,-3,-4,-5.

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