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THREENUMBERS - nth number

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Given two numbers a and b, you have to find n-th number which is divisible by a or b.

First line contains an integer T (<= 100000), denoting number of test cases.

Second line contains 3 positive integers a, b and n. (a, b <= 10000, n <= 1000000000)

Print n-th number in a new line.

Input:
1
2 3 10

Output:
15

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	shubham_001: 2017-09-09 16:31:32 Test cases are correct! but this problem is copied directly :\| ,plz make something by atleast some modifications :)
	testing java: 2017-09-09 15:57:41 My guess is that the actual number of tests is smaller than given t. If my reader does not blow up in such case, I have WA (as I'm printing nothing or some rubbish), otherwise i have NZEC. It may be the case that my program is faulty (hence WA), however I think, that there may be something wrong with the input (as change in handling cases which should not happen, change status of my submission).
	wisfaq: 2017-09-09 15:19:48 I'm getting runtime error. (both in Python and in FPC) If I test for a=0 or b=0 or n=0 and if so output 0 then I get wrong answer. Clearly there is something wrong with the input file(s).
	[Rampage] Blue.Mary: 2017-09-09 12:07:20 Agree with @devilwolverine. The test cases are either wrong or not satisfying the input constraints. @BlueMary: Fixed Last edit: 2017-09-09 12:13:02
	Vipul Srivastava: 2017-09-09 11:42:50 are the test cases correct?