Join ExamsbookAnswer : 2. "Any one pair of A and B, B and C or C and A is sufficient"
What is the value of a two–digit number?
A. The sum of the digits is 15. B. The difference of the squares of the digits is 45. C. The difference of their digits is 3.5
Q: What is the value of a two–digit number? A. The sum of the digits is 15. B. The difference of the squares of the digits is 45. C. The difference of their digits is 3.
- 1B and C together are sufficientfalse
- 2Any one pair of A and B, B and C or C and A is sufficienttrue
- 3C and A together are sufficientfalse
- 4A and B together are sufficientfalse
- Show AnswerHide Answer
- Workspace
Answer : 2. "Any one pair of A and B, B and C or C and A is sufficient"
Explanation :
Answer: B) Any one pair of A and B, B and C or C and A is sufficient Explanation: From the given data, Let the two gits of a number be x & y A) x + y = 15 B) x2 - y2 = 45 (x+y) (x - y) = 45 C) x - y = 3 From any 2 of the given 3 statements, we can find that 2 digit number as 2x = 18 => x = 9 => y = 6 Hence, 2 digit number is 96. Any one pair of A and B, B and C or C and A is sufficient to find.