- A96
- B192
- C84
- D108
Step-by-Step Solution
Write them as and with a, co-prime: , so . The pairs (1, 15) give 12 and 180 (180 is not two-digit); (3, 5) give 36 and 60. Sum = 96.
Answer: A) 96
The product of two two-digit numbers is 2160 and their HCF is 12. What is the sum of the two numbers?
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