Instructions

In each of the following questions, select the missing number from the given responses.

Question 181

3 4 6
5 7 3
1 2 7
35 69 ?

Solution

The last number in each column is obtained by adding the squares of first three numbers in the column.

Eg : $$3^2+5^2+1^2=9+25+1=35$$

and $$4^2+7^2+2^2=16+49+4=69$$

Similarly, $$6^2+3^2+7^2=36+9+49=94$$

=> Ans - (A)

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3 4 65 7 31 2 735 69 ?