Which one of the following is the minimum value of the sum of two integers whose product is 36?
A
37
B
20
C
15
D
12
Correct Answer: 12
36 = 1×36 = 2×18 = 3×12 = 4×9 = 6×6 সংখ্যা দুটির যোগফল = 6 + 6 = 12