Edit MetaData
8 years, 11 months ago
find the remainder left after dividing 1! + 2! + 3! +...1000! by 7.
8 years, 11 months ago
after 7!(including 7!) all numbers will be divisible by 7
so, we have to calculate the remainder when 1!+2!....+6! is divided by 7
which means 873/7..therefore remainder is 5
Detailed syllabus & Topic-wise Weightage
By proceeding you agree to create your account
Free CAT Syllabus PDF will be sent to your email address soon !!!