Subject
Quantitative Aptitude
Topic
LCM & HCF
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
ক)
196খ)
630গ)
1260ঘ)
2520Explanation
L.C.M. of 12, 18, 21, 30 = 2 x 3 x 2 x 3 x 7 x 5 = 1260 Required number = (1260 ÷ 2)=630.Related questions
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