Problems on H.C.F and L.C.M - Quantitative Aptitude (MCQ) questions for Q. 28738

Q.  Manoj wants to paste wallpaper on wall of his room. The wall is 4 meters and 50 cm in length and 3 meters and 50 cm in height. But the wall should be covered completely only by square pieces of wallpaper having same size. What is the number of maximum sized wallpaper squares needed to cover the walls completely?
- Published on 07 Jul 17

a. 8
b. 15.75
c. 63
d. 12

ANSWER: 63
 
hcf lcm

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