Subject
Quantitative Aptitude
Topic
Number
Sum of the two numbers is 21 and their difference is What is the half of the greater number?
Sum of the two numbers is 21 and their difference is What is the half of the greater number?
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12Explanation
x + y = 21 .................. (1) x - y = 7 .................. (2) Now, From, (1) + (2), we get, 2x = 28 or, x = 14 And, the other number is, 14 + y = 21 or, y = 21 - 14 or, y = 7 Thus, The greater number is = 14 Half of the greater number is= 14/2 = 7Related questions
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