Question

the least possible number when divide by 12,16,18 and 20 leave a remainder 11

Answer 1

Step-by-step explanation:

The driver applies brakes so that a Uniform acceleration of -0.2m/s² is produced. We have to find the distance (s) travelled by train before it comes to rest. Therefore, the distance travelled by train before it comes to rest is 1000 m or 1 km.25-Apr-2020

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Answer 2

Answer:

given numbers are 12,16,18 and 20

we have to find 4 digit least number divisible by given number such that always leaves 20 as reminder.

we must find LCM first:-

12=2x2x3

16=2x2x2x2

18=2x3x3

20=2x2x5

LCM of the given numbers :-2x2x3x2x2x3x5=720

now to find least 4 digit number we must find multiple of 720

720,1440,2160,2880,3600....

so, 1440 is least 4 digit number divisible 12,16,18 and 20.

therefore, the number is 1440

Step-by-step explanation:

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