Find the missing number from the below options.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 3
Number in 3rd row = Sum of squares of numbers in 1st and 2nd rows
1st row: 42 + 52 = 16 + 25 = 41
2nd row: 62 + 32 = 36 + 9 = 45
Similarly,
3rd row: 72 + x2 = 58 ⇒ x = 3