What will be the least number which when doubled will be exactly divisible by 12 , 18 , 21
and 30 ?
A) 196
B) 630
C) 1260
D) 2520
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What will be the least number which when doubled will be exactly divisible by 12 , 18 , 21
and 30 ?
A) 196
B) 630
C) 1260
D) 2520
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Answer:
(C)1260 and (D)2520
Step-by-step explanation:
(A)196 is not divisible by any of the following numbers.
(B)630 is not divisible by 12.
(C)1260 is divisible by all the following numbers.
(D)2520 is divisible by all the following numbers.
Answer:
Step-by-step explanation:
X=least number
least number which when doubled --------> 2X/LCM
LCM =1260
2*1260=2520
So < C > is the solution