Brain Easier

Level 1

Solve the following

51 60 61 11

Nishant Kumar by nishant kumar , 21, India

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2 solutions

Rimba Erlangga
Jan 26, 2015

Pythagoras inside

2 + 3 = 5, paired with 12 and 13

3 + 4 = 7, paired with 24 and 25

4 + 5 = 9, paired with 40 and 41

then 5 + 6 = 11, paired with 60 and 61

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Nishant Kumar
Jan 25, 2015

SOLUTION: ,

61 ,

Explanation: 2(2X3)+1 = 13 , 2(3X4)+1 = 25 , 2(4X5)+1 = 41 ,

Therefore, , 2(5x6)+1 = 61

1 Helpful 0 Interesting 0 Brilliant 0 Confused

@nishant kumar Well, this question doesn't actually require a genius.

Anuj Shikarkhane - 6 years, 4 months ago

your brain works just like mine ....................... might be brothers

Skanda Prasad - 6 years, 3 months ago

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