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. 25)
25.
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
Answer: Option
Explanation:
Required number = (L.C.M. of 12, 15, 20, 54) + 8
= 540 + 8
= 548.
Discussion:
30 comments Page 1 of 3.
V!cky said:
10 years ago
2|12 15 20 54.
2|06 15 10 27.
3|03 15 05 27.
5|01 05 05 09.
9|01 01 01 09.
|01 01 01 01.
Best to find LCM solve till all value get 1.
You will always get perfect answer without confusion.
2*2*3*5*9 = 540.
2|06 15 10 27.
3|03 15 05 27.
5|01 05 05 09.
9|01 01 01 09.
|01 01 01 01.
Best to find LCM solve till all value get 1.
You will always get perfect answer without confusion.
2*2*3*5*9 = 540.
(4)
Jancy said:
8 years ago
Divide the series by 3 I get 4 5 20 18.
Further divide by a 4, 1 5 5 18. Again divide by 5 I end up with 1 1 1 18 now I get lcm = 1080. Am I right?
Further divide by a 4, 1 5 5 18. Again divide by 5 I end up with 1 1 1 18 now I get lcm = 1080. Am I right?
(2)
Shakti said:
1 decade ago
Yes why it is not 540k+8?
(1)
Siva said:
6 years ago
@Fia.
The LCMof the number is 48 .plus add remainder 7 = 55.
Answer is 55.
The LCMof the number is 48 .plus add remainder 7 = 55.
Answer is 55.
(1)
Balaram said:
8 years ago
LCM of 12, 15, 20, 24 is 540. Required no is 548. 548 is divided by 12, 15, 20, 24 respectively. The remainder is 8. That is the reason add 8.
(1)
Sharang Rane said:
9 years ago
Dividend = Divisor * Quotient + Remainder.
That's why +8.
That's why +8.
(1)
Vamsi said:
10 years ago
Some problem sub to remainder why please explain to me?
Saranya said:
1 decade ago
lcm=540
Fia said:
7 years ago
What if it is to find the least number which when divided by 8, 12, 16 leaves remainder 7 in each case?
Please, anyone, tell me.
Please, anyone, tell me.
Ayush said:
7 years ago
Can anyone tell me what is the smallest number which when divided by 12, 20, 36 leaves no remainder?
Please answer it.
Please answer it.
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