# If 17 + 3 = 31; 23 + 5 = 38; 32 + 9 = 55 then 38 + 8 = ??

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If
17 + 3 = 31;
23 + 5 = 38;
32 + 9 = 55
then
38 + 8 = ??

posted Feb 13, 2016

65 expalination 17+(3×2)+1+7=31,23+(5×2)+2+3=38,32+(9×2)+3+2=55

answer Feb 14, 2016 by

17+3+(1+7+3)= 31
23+5+(2+3+5)= 38
32+9+(3+2+9)= 55
So...
38+8=....?
38+8+(3+8+8)= 65

answer Feb 14, 2016 by anonymous
+1 vote

17+3+(1+7+3)= 31
23+5+(2+3+5)= 38
32+9+(3+2+9)= 55
So...
38+8=....?
38+8+(3+8+8)= 65

answer Feb 20, 2016
–1 vote

I think since 17+3=31 , 23+5=38...32+9=55... so 38+8= 38+5+3=??(need to be calculated)
i.e 38+5=43 increment by 10 so 38+5=53-----------eqn.1
similarly , 38+3=41 increment by 11 so 38+3=52--------------eqn2

from eqn1 and eqn2,,,we get,,,
38+5+3= 53+52= 105...

answer Feb 13, 2016

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+1 vote

IF

``````5 - 4 = 23
8 - 1 = 63
6 - 16 = 32
9 - 9 = 78
3 - 9 = 6
``````

Then

``````3 - 81 = ?
``````

If
5 - 4 = 23
8 - 1 = 63
6 -16 = 32
9 - 9 = 78
3 - 9 = 6
then
3 - 81 = ?

``````3   2 = 7
``````10  9 = ??