e 32 P and Q can do a piece of work in 15 days and 20 days respectively They work for 5 days and left then in how many days Q alone can finish the remaining work 8 days 7 days 8 days 8 days c e 33 The area of a square is 144 cm What is the perimeter of the square formed with the diagonal the original square as its side 48 2cm 24 2cm 48 cm 24 cm