What number should be put instead of '?'?
9 4 3 3
26 8 6 22
28 ? 7 21
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Answer is
7
As, the recipe to find the missing number is
Multiply 2nd term , 3rd term and then subtract 4th term to get the first term
That Is, for example
26 = (8×6) - 22.
answered Oct 3 '17 at 17:10
