If 9999=4
8888=8
1818=4
1212=0
then 1919=?
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17 Answers

???????????? 9999=4=1818 ??????????????
by
1919 = 2
by
8888+1818-9999+1212=1919, so 8+4-4+0=8... Therefore answer is 8..
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Answer is 8 1818+1212-(9999-8888)=1919 4+0-(4-8)=8
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answer is 2
by
answer is 2

It is number of circles in the number

8 has 2 circles, 9 has 1
by
answer is 2. number of circles in each digit.. 1919 has 02 circles in 9
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1919=2, Just count the circles in the number.

8888 has 8 circles, whereas 9999 has 4 circles.
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The answer is 2
by

Answer is 2.
How?
If you observe carefully, right side number is equal to total number of circles in the left side numbers. thus the answer to 1919 should be 2.

by

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