Each letter has a fixed digit (two words given): code a new word

The same question, asked 4 times: 12 Sep 2025 S2, 16 Sep 2025 S1*, 16 Sep 2025 S3*, 17 Sep 2025 S2. Every wording below, oldest first.

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Question 1
12 Sep 2025 S2
19 $In a certain code language, each letter is assigned a unique digit. Based on the given codes for specific words, determine the code for the target word using the same logic. If MOUSE is coded as 45291 and RAT as 786, how is STORE coded?$
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Question 2
16 Sep 2025 S1
16 $In a certain code language, each letter is assigned a unique digit. Based on the given codes for specific words, determine the code for the target word using the same logic. If SPEED is coded as 83551 and COOL is coded as 9226, then how will SCOOP be coded$
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Question 3
16 Sep 2025 S3
16 $In a certain code language, each letter is assigned a unique digit. Based on the following codes: PLANE is coded as 74851 and DOG as 392, how is GOLD coded?$
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Question 1