HCF & LCM

1. A rectangular courtyard 3.78 m long and 5.25 m broad is to be paved exactly with square tiles all of the same size. Find the number of tiles? A) 441                   B) 450 c) 480                    D None of these EXPLANATION: 3.78 meters =378 cm = 2 × 3 × 3 × 3 ×