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Venkatesh
CAT Preparation Community 9y ago
The hcf of how many distinct pairs of factors of 18000 is 75?
4
Kishan 9y ago
75, 75*240
Only one pair
Kishan 9y ago
240 can be written in 4 ways as product of two co-prime numbers
1, 240
3, 80
5, 48
15, 16
So the answer is 4.
@Venkatesh please let me if l'm correct
Siva Hemanth 9y ago
41
Neelesh Pranami 3y ago
30 such factors and 15 pairs
