Aptitude - Problems on H.C.F and L.C.M - Discussion
Discussion Forum : Problems on H.C.F and L.C.M - General Questions (Q.No. 3)
3.
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?
Answer: Option
Explanation:
L.C.M. of 2, 4, 6, 8, 10, 12 is 120.
So, the bells will toll together after every 120 seconds(2 minutes).
| In 30 minutes, they will toll together | 30 | + 1 = 16 times. |
| 2 |
Discussion:
170 comments Page 13 of 17.
Raman said:
9 years ago
Very good explanation @Sravanreddy.
Ramya said:
8 years ago
Excellent explanation @Sravanreddy.
Mahiraji said:
8 years ago
Awesome explanation. Thank you all.
Sathyaraj said:
8 months ago
Why take LCM? Please explain to me.
(7)
Kundharapu shravan reddy said:
1 decade ago
Excellent explanation sravanreddy.
Divi said:
1 decade ago
Very clear explanation. Thank you.
Simi said:
9 years ago
Answer for Fozia Sheikh 21:01 P.M.
Abhishek pandey said:
8 years ago
According to me, the answer is 15.
Ali said:
1 decade ago
Excellent explanation sravanreddy
Parth said:
2 years ago
Why did we add 1? Please tell me.
(54)
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