It's De-logical

Logic Level 2

$\large \displaystyle 1,4,7,9,11,12,14,16,19,?$

Which number will continue the series above?

Hint: Think atomic weight.

20 21 19 18 23 17

1 solution

Harsh Shrivastava
Feb 5, 2016

$T_{n} = \text{Atomic mass of nth element (rounded to nearest integer)}$

Yes....it's completely delogical.... Interestingly I found another pattern(If accidently you had given 22 as a option than you could have met me in the reports section).. BTW here's the pattern ..Consider this to be a sequence of 10 terms then the sum of terms equidistant from both ends is $23$ i.e 4 +19=7+16=9+14=11+12, hence last term must be 22 to combine with 1 to form 23.Another one is notice the difference, it's like 3,3,2,2,1,2,2,3.. Hence next difference must be 3 ..Any ways nice delogical problem :- ]

Rishabh Jain - 5 years, 4 months ago

I think becuse of this it should be posted in chemistry. :p

A Former Brilliant Member - 5 years, 4 months ago

Rishabh Jain - 5 years, 4 months ago

If it was in chem, ppl could easily solve it :P

Harsh Shrivastava - 5 years, 4 months ago

@Harsh Shrivastava – No, they would think that how this question is posted in chem.They will be suprised by seeing the sol.

A Former Brilliant Member - 5 years, 4 months ago

Huh! How couldn't a chem lover (me ;P)) get it?

Aditya Kumar - 5 years, 4 months ago

You are too "blind" in chem's love 😛

Harsh Shrivastava - 5 years, 4 months ago

haha..... LOL!

Nihar Mahajan - 5 years, 4 months ago

LOLOLOLOLOLOLOL

Aditya Kumar - 5 years, 4 months ago

I got it :P

Nihar Mahajan - 5 years, 4 months ago

Pheww. It should have been a chemistry question

Ashish Menon - 5 years, 4 months ago

It's De-logical

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