13
Q:
A) 1 | B) 4 |
C) 5 | D) 0 |
Answer: A) 1
Explanation:
Explanation:
In each row,
Sum of 1st two digit number + last two digit number = Middle two digit number
i.e., 1st row 15 + 40 = 55
2nd row 46 + 47 = 93
Similarly, 7x + 16 = 87 => x = 1.