NTSE Stage 2 MAT 2016 Question Paper

Question : 39 of 100

Marks: +1, -0

In the following question, a matrix of certain numbers is given. These numbers follow a certain trend, either row-wise or column-wise. Find this trend and choose the missing number from the given alternatives.

1	5	7	75
8	3	4	?
9	7	8	194

Validate

Solution:

1^{ 2 } + 5^{2} + 7^{2} = 75,

8^{ 2 } + 3^{2 } + 4^{2} = 89,

9^{ 2 } + 7^{2 } + 8^{2} = 194

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