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What is the sum of the digits of the two-digit number ? I. The ratio between the ten's digit and unit's digit of the number is 3 : 2. II. The number obtained on reversing the order of its digit is 18 less than the original number. III. The product of the digits is 24. |
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Answer: Option A Explanation: I. Let the tens and units digit be 3X and 2X respectively. II. (30X + 2X) - (20X + 3X) = 18 <=> X = 2 III. 3X x 2X = 24 <=> X2 = 4 <=> X = 2 Thus, any two of the three will give the answer. ∴ Correct answer is (A) |
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
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