IF 2,6=21; 3,8=36; 4,5=30 and 5,7=48 THEN 6,5=??

Question

IF
2,6=21
3,8=36
4,5=30
5,7=48
THEN
6,5=?

Answer 1

42
Add 1 to each number and then multiply.
Thus: 2,6 becomes 3 * 7 = 21
And 6,5 become 7 * 6 = 42

Answer 2

Wow the question itself very much confusing and I have know idea what to answer. I was here for academized reviews and got through this wonderful kind of q and a which made me speechless.

Answer 3

Answer is 42
Each no. is incremented 1 and multiply both no.
2,6 = 3*7 = 21
3,8 = 4*9 = 36
4,5 = 5*6 = 30
5,7 = 6*8 = 48
6,5 = 7*6 = 42

Answer 4

A) 2,6 =21
When you add 1 to each side and multiply the added value you arrive at the given answers (3,7=21)
B) 3,8 = 36 (4,9 = 36)
C) 4,5 =30 (5,6=30)
D) 5,7 =48 (6,8 =48)
E) 6,5 =X (7,6 =42) therefore x=42

Answer 5

ans=42 ie6x5+6+5+1=30+12=42
or in the form axb+a+b+1