Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: · Marks: · Difficulty:
A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?
(a)14 cm
(b)21 cm
(c)42 cm
(d)None of these
Answer
Answer (as printed): B
Explanation
Largest size of the tile = H.C.F. of 378 cm and 525 cm = 21 cm.
Explanation as extracted from the printed page; notation may be imperfect.