How many triangles are in the following figures?

. Introducing a man to her husband a woman said " His brother's father is the only son of my grandfather ". How is the woman related to his man? 

Select the venn diagram that represents the correct relationship between the following classes:

Doctor, Surgeon, Cardiologist

ba_ba_bbaaa_bbb_ _aa 

If, in a code, MIND become KGLB and ARGUE   becomes YPESC, then what will DIAGRAM be in that code?

Statements: All rows are lines
                     All lines are queues.
Conclusions
                   I. All rows are queues.
                   II. Atleast some queues are lines.

If 1 apple is equal to 6 bananas, how many bananas will be equal to 12 apples?

IF 32 + 45 =3542, 47+72=4277, then Find out 86+12=?