The sum of two numbers is 15. Their difference is 3. The numbers are:
Question and options
The sum of two numbers is 15. Their difference is 3. The numbers are:
- 8 and 7
- 9 and 6
- 10 and 5
- 4 and 11
Answer and explanation
Correct answer: B - 9 and 6
x + y = 15, x - y = 3, so x = 9, y = 6. Check: 9 + 6 = 15, 9 - 6 = 3.
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CUSAT CAT Five-Year LL.B.
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