Vidyalelo
Aptitude · Q140

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 140

Q140

When Seeta made necklaces of either 16 beads, 20 beads or 36 beads, not a single bead was left over. What could be the least number of beads Seeta had = ?

A.
700
B.
720
Answer
C.
750
D.
780

Answer: Option B

Solution

Answer: Option B
Solution:
Required number of beads
= LCM of 16, 20, 36
= 720