In a certain code language, ‘AIDS’ is coded as ‘7192’ and ‘DASH’ is coded as ‘9215’. What is the code for ‘H’ in the given code language?
5
List the digits used in each code word.
AIDS is coded as 7192, so the letters A, I, D, S together take the digits {7, 1, 9, 2}.
DASH is coded as 9215, so the letters D, A, S, H together take the digits {9, 2, 1, 5}.
The letters D, A and S are common to both words, and their digits {9, 2, 1} appear in both codes.
The digit 5 appears in the code of DASH but not in the code of AIDS. The only letter in DASH that is not in AIDS is H, so H must correspond to 5.
Hence, the code for H is 5.
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Important Questions from Coding Decoding
In a code language, INDICATOR is written as JOEJBCVQT. How will EMOTIONAL be written in that language?
There are two rows, each containing 3 numbers. Below are some rules to be used to get the resultant number for each row separately. Use the rule from left to right for each row and find the answer to the question.
Rule:
1. If an even number is followed by an even number, then the first number will be subtracted from the second.
2. If an odd number is followed by an odd number, then both will be added.
3. If an odd number is followed by an even number, then the even number will be subtracted from the square of the odd number.
4. If an even number is followed by an odd number, then the odd number will be subtracted from the even number.
Row I: 9,11, 34
Row II: 16, 9, 8
What is the difference between the resultant numbers in the first row and the second row
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