75
Q:
A) 14 cms | B) 21 cms |
C) 42 cms | D) None of these |
Answer: B) 21 cms
Explanation:
Explanation:
3.78 meters =378 cm = 2 × 3 × 3 × 3 × 7
5.25 meters=525 cm = 5 × 5 × 3 × 7
Hence common factors are 3 and 7
Hence LCM = 3 × 7 = 21
Hence largest size of square tiles that can be paved exactly with square tiles is 21 cm.