Flag Magical Mathematics[Interesting Approach]> 2+1=3 3+2=7 4+3=13 5+4=?? only for genius...
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2+1=33+2=74+3=135+4=??only for genius.......................

NAVEEN PRAVEEN , 7 Years ago
Grade 11
anser 1 Answers
SAHIL

Last Activity: 7 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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