Elitmus Exam Logical Reasoning Cryptography

ERD
*AIR
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UDAR
CAOY
DORO
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DEEPER

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Elitmus Other Question

z is a number in decimal system that z = 260*1024 + 73*512 +128*129 +81 +9.Let y be te octal representation of z .how many times will the digit 3 be there in y .
option
1. 2
2. 3
3. 4
4. 5
if w and x are odd numbers and y and z is even then 1/8[(w^2+x^2)*(y^2+z^2) is
option
1. always even
2. always odd
3. even or odd
4. can be fractional