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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Simplification
If a - b = 3, a2+b2=29 , find the value of ab.
10
12
15
18
Show Answer
Correct Answer:
10
Explanation:
2ab=
a
2
+
b
2
-
a
2
-
b
2
29-9=20
=>ab=10
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