LKG problem

Number Theory Level 1

1+1 = 2

2+2 = 6

3+3 = 12

4+4 = 20

5+5 = 30

what is 200+200......?


The answer is 40200.

Siva Prasad by Siva Prasad , 20, India

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2 solutions

Nandik Devbhuti
Aug 5, 2015

1+1 = 2 We can get this by:- (1 1)+1. (2 2)+2 Similarily, (200*200)+200 will give us the answer.

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Siva Prasad
Aug 30, 2014

in this problem x+x = x(x+1)

So 200+200 = 200x201 = 40200 ;)

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how it will become 1+1 = 1 ? according to your solution it is 2!

Pradeepa BK - 6 years, 9 months ago

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he has written the general term and see the sequence it satisfys it

U Z - 6 years, 8 months ago

How's it....Guys...? Please reshare.....!

Siva Prasad - 6 years, 9 months ago

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Please explain how come 1+1=1 this way. It should be 2 according to me.

Ronak Agarwal - 6 years, 9 months ago

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yeah it should be 2

Kïñshük Sïñgh - 6 years, 9 months ago

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