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The sum of two numbers is 20 and their difference is 6. The larger number is
A14
B12
C13
D10
Answer & Solution
Correct answer: C. 13
1. Let the numbers be x and y: $x+y=20$, $x-y=6$.
2. Add: $2x=26 \Rightarrow x=13$; then $y=7$.
3. The larger number is 13.
_Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch3 'Pair of Linear Equations in Two Variables', §3.3 (word problem)_
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