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Factors of Natural Numbers

26.If a+13b i...

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26.If a+13b is divisible by 11 and if a+11b is divisible by 13 find the least value of a+b

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Q. Find the value of

a + b + c

373 a

is divisible by

9, 473 b

is divisible by

11

371 c

is divisible by

6.

Q. Find least positive value of

a + b

a, b

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11 | a + 13 b a n d 13 | a + 11 b

Q. A four digit number abcd is divisible by 11 if only
A.(a+b)-(c+d) is divisible by 11
B.(a-c)-(b-d) is divisible by 11
C.(a-c)-(b+d) is divisible by 11
D.(b+d)-(a+c) is divisible by 11
The coerrect answer is 'D' but how?

If is divisible by 11, find all possible values of a + b.

Q. If 5B12 is divisible by 11, then find the value of B.

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Factors of Natural Numbers

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