1+4=5, 2+5=12,3+6=21,5+8=?
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5
The answer is 45
1+4=5 => 1×(4+1)=52+5=12 => 2×(5+1)=123+6=21 => 3×(6+1)=215+8=x => 5×(8+1)=xso x=45 :)
the rule followed above is 1st number multiplied by (2nd number + 1)
Answered by
1
45
the logic is we have to multiply the first digit from the next digit of the second digit.
the logic is we have to multiply the first digit from the next digit of the second digit.
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