UPSC Prelims 2025 · CSAT (Paper 2) · Q20
Basic Numeracy
Easy · Number theory: units digit of a product
What is the units digit in the product of 1 x 3 x 5 x 7 x 9 x ... x 599?
UPSC Prelims 2025 · CSAT (Paper 2) · Q20
Easy · Number theory: units digit of a product
What is the units digit in the product of 1 x 3 x 5 x 7 x 9 x ... x 599?