Question
Download Solution PDFA group of numbers and symbols is coded using letter codes as per the codes given below and the conditions that follow. Study the given codes and conditions and answer the question that follows.
Note: If none of the conditions apply, then codes for the respective number/symbol are to be followed directly as given in the table.
Number/symbol | 4 | @ | 7 | # | 3 | & | 8 | * | 2 | ^ | 9 | $ | 6 | + |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Code | H | A | J | B | K | C | L | D | M | E | N | F | P | G |
Conditions:
If the first element is a number and the last a symbol, the codes for these two (the first and the last elements) are to be interchanged.
If the first element is an even number and the last an odd number, the first and last elements are to be coded as '('.
If both second and third elements are perfect squares, the code of the third element will be the code for the second element. What will be the code for the following group?
4739
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven Group: 4 7 3 9
Coding Table:
Number/Symbol | 4 | @ | 7 | # | 3 | & | 8 | * | 2 | ^ | 9 | $ | 6 | + |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Code | H | A | J | B | K | C | L | D | M | E | N | F | P | G |
Initial Codes for 4 7 3 9:
Element | 4 | 7 | 3 | 9 |
---|---|---|---|---|
Initial Code | H | J | K | N |
Applying Conditions (check against original elements):
Condition 1: If the first element is a number and the last a symbol, the codes for these two (the first and the last elements) are to be interchanged.
- First element: 4 (is a number). (True)
- Last element: 9 (is a number, not a symbol). (False)
- Condition 1 does NOT apply.
Condition 2: If the first element is an even number and the last an odd number, the first and last elements are to be coded as '('.
- First element: 4 (is an even number). (True)
- Last element: 9 (is an odd number). (True)
- Both sub-conditions are met. Therefore, Condition 2 applies.
- The code for the first element (4) becomes '('.
- The code for the last element (9) becomes '('.
Current Code after applying Condition 2: ( J K (
Condition 3: If both second and third elements are perfect squares, the code of the third element will be the code for the second element.
- Second element: 7 (is not a perfect square). (False)
- Third element: 3 (is not a perfect square). (False)
- Condition 3 does NOT apply.
Final Code:
Based on the conditions applied, the final code for the group 4 7 3 9 is ( J K (.
Hence, the correct answer is "Option 4".
Last updated on Jul 21, 2025
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