Question

find the smallest 4 digit number which is exactly divisible by 36 65and90​

Answer 1

Answer:

1080

Step-by-step explanation:

it is said smallest 4 digit number, so the number will be from 1000 to 9999.

36=2*2*3*3 = 2^2 x 3^2

40=2*2*2*5 = 2^3 x 5

45=3*3*5 = 3^2 x 5

here , 3 is common

now if we check the LCM( of 36,40,45), we get 8*9*5= 8*45=360

the smallest number is 3, 360*3=1080

∴this number also lies between 1000  and 9999.

so we can agree for this to be the answer.

Answer 2

Answer:

HEY

Step-by-step explanation:

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