Question 18

Find the missing number from the below options.

Solution

Number in third row is summation of square of numbers in first and second row.

$$41 = 4\times4 + 5\times5 $$

$$45 = 6\times6 + 3\times3 $$

$$58 = 7\times7 + 3\times3 $$

So , the answer would be Option d)3 .

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