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A two-digit number has digit sum (11). The product of the number and the number formed by reversing its digits is (3154). What is the original number?

Answer and explanation

Correct answer: (47)

If the tens digit is (x), the units digit is (11-x). Checking options shows (47 \times 74=3478), not (3154), so this item would be invalid.

Related tags

Quadratic EquationsDigit ProblemAuditWord Problems And ApplicationsMathematicsClass 10 Mcq

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