If A means +, B means -, C means x and D means /, then the value of 18C14A6B16D4 is:
find out the missing term:
99, 98, 94, 85, 69, 44,...
7, 13,21, ....,43,57
IF CA=31, GE=75, FH=
Which one of the following is correct?
The angles of pentagon in degrees are a, a+20, a + 40, a + 60, a + 80.The smallest angle of the pentagon is