book Maths Puzzle Numerical Ability

y-(-4)-[y+(-4)]-4

Read Solution (Total 0)

book Other Question

A RECTANGULAR PIECE OF CARDBOARD IS 2 UNITS LONGER THAN IT IS WIDE. FROM EACH OF ITS CORNERS A SQUARE PIECE 2 UNITS ON A SIDE IS CUT OUT. THE FLAPS ARE THEN TURNED UP TO FORM AN -3(-x+2y)