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CAT 2016 Quantitative Ability
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© examsnet.com
Question : 1
Total: 34
The absolute difference between the average of first N1 natural numbers and that of the first N2 natural numbers is 10. What is the absolute difference between N1 and N2?
Your Answer:
Validate
Solution:
According to the question,
N
1
+
1
2
−
N
2
+
1
2
=
10
⇒N1 - N2 = 20
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