How many integers between 1 and 1,800 are divisible by 20,30,40?
Select:
A) 14
B) 15
C) 16
D) 17
E) 18
LCM of the given numbers=120   Therefore , number of integers = 1800/120= 
<gadget id="calculator">1800/120</gadget>
<output>15</output>
15   Option 15 is answer
<result>B</result>
How many integers between 1 and 1,800 are divisible by 20,30,40?