A number theory problem by Meet Chaudhary

Number Theory Level 1

HINT : Don't think more.......


The answer is -2.

Meet Chaudhary by Meet Chaudhary , 24, India

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5 solutions

Xi Huang
Aug 2, 2015

20-12=8 12-6=6 So sequence 8,6,4.... 6-4=2

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Alpesh K
Jul 30, 2014

Let n be given number,

.`. n - n = n - n*n

.`. 2 - 2 = 2 - 2*2 

    = 2 - 4

    = - 2
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Anuj Shikarkhane
Jul 25, 2014

5 × − 4 = − 20 5\times-4 = -20

4 × − 3 = − 12 4\times-3 = -12

3 × − 2 = − 6 3\times-2 = -6

Therefore, it should be 2 × − 1 2\times-1 , so, our answer is − 2 \boxed{-2} .

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Pratik Raj
Jul 21, 2014

5^2=25-5=20(-20).................2^2=4-2=2(-2)

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Meet Chaudhary
Jul 19, 2014

minus It's square

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