NTSE Stage 2 SAT 2015 Question Paper

Question : 60 of 100

Marks: +1, -0

The mean of fifteen different natural numbers is 13. The maximum value for the second largest of these numbers is

Solution:

1+2+3+4+5+6+7+8+9+10+11+12+13+\x+\y=13×15

∴

\x+\y=104

Now by seeing option

51+53=104

∴ Second largest number is 51
∴ Option (b) is correct

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