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Q1
:
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?
A
630
B
196
C
1260
D
2520
Solution
ANS:
B
- 630
L.C.M. of 12, 18, 21 30 2 | 12 - 18 - 21 - 30 --------------------
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