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2+1=3 3+2=7 4+3=13 5+4=?? only for genius.......................

2+1=3
3+2=7
4+3=13
5+4=??
only for genius.......................

Grade:11

1 Answers

SAHIL
3783 Points
4 years ago
HI NAVEEN 
ANSWER IS 21 BECAUSE 3 X 2 + 1 = 7
ALSO 4 X 3 + 1 = 13
SAME AS 5 X 4 + 1 = 21
SO ANSWER IS 21
THANKS AGAIN

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