Question

find the possible values of A and B if the number 38AB is divisible by 45​

Answer 1

Answer:

A=2, 7 and B=5,0

Step-by-step explanation:

When we divide 38AB with 45 we get remainder as 2AB

Thus,

2AB=0 (since 38AB should be divisible by 45)

hence 225 and 270 are the possible value that is completely divisible by 45

thus,

A=2,7 B=5,0

Answer 2

Step-by-step explanation:

By divisibility tests of 9 & 5, it's clear that 426600 is divisible by 9 as well as 5 & hence by lcm (9, 5) = 45.

So, next multiples of 45 will be 426645 & 426690.

Hence, a set of possible values of a & b is :

(a, b) = (4, 5), (9, 0).

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