Questions
The number of ways in which 10 candidates can be ranked such that A1, is always above A10 is
detailed solution
Correct option is D
Two positions for A1, and A10 can be selected in 10C2 ways. Rest eight students can be ranked in 8! ways.Hence, total number of ways is 10C2×8!=(1/2)(10!)Similar Questions
The number of ways in which we can get at least 6 successive tails when a coin is tossed 10 times in a row, is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests