The smallest five digit number which is divisible by 12, 18 and 21 is :
A. 10080
B. 30256
C. 10224
D. 50321
Answer: Option A
Solution (By Examveda Team)
We know,Smallest five digit number is = 10000
L.C.M. of 12, 18, 21 = 252
10000 is divided by 252
then the remainder is 172
Difference = 252 - 172 = 80
Then number is = 10000 + 80 = 10080
This Question Belongs to Arithmetic Ability >> Number System
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Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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