Question
If m is the tens digit of the sum of the two-digit positive integers kr and ms, where k,m, r and s are digits of the integers, which of the following must be true?
Solution : If m is the tens digit of the sum of the two-digit …
Watch the video solution to see “owning the dataset” approach come to life on this question.
Question Attributes
- Source: Official Mock
- Difficulty Level: Hard – 43% accuracy
- Question Type: Number Properties
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Summary – If m is the tens digit of the sum of the two-digit . . .
To master Number Properties questions, adhere to the following steps:
- Thoroughly understand the given information by actively translating and drawing correct approaches and strategies.
- Simplify and do mathematical processing as required.
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