A number theory problem by sunitha p

Number Theory Level 1

Look at this series: 201, 202, 204, 207, . . . What number should come next?

208 210 205 211

Sunitha P by sunitha p , 28, India

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5 solutions

Sunitha P
May 2, 2014

ans:211 In this addition series, 1 is added to the first number(201+1); 2 is added to the second number(202+2); 3 is added to the third number(204+3); and so forth(207+4).

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i have 7 friends....name of 1st one is Violet and then indigo and then blue and then green .tell me the name of other 3 friends

Aditya Talan - 7 years, 1 month ago

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yellow , orange and red

Vishwas Shukla - 6 years, 11 months ago

yellow orange red

andriya tiwary - 6 years, 10 months ago

good..kaw na!

Agustin Peñalosa Jr. - 6 years, 11 months ago
Anjna Anilkumar
Jun 18, 2014

207 + 4 = 211

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series are added by 1 then 2 then 3 then 4 , soon.....

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Edi Wijaya
Jul 5, 2014

It's easy to see if we substract all sequence by 200, the sequence become: 1,2,4,7,.... Then by see the shape of the sequence 2-1=1 4-2=2 7-4=3 Then x-7 should be 4 so x-7=4, x=11 Then 200 + x = 200 + 11=211

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Nathan Blanco
Jul 1, 2014

You just keep adding a number, increasing it's value over time. For the first to second number, you add one. For the second to third numbers, you add 2, and so on.

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