0 votes 0 votes How many onto function are there from a set with 5 element to a set with 4 elements? A. 340 B. 240 C. 440 D. 540 mystylecse asked Sep 16, 2017 mystylecse 321 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes after calculation you will get 240. look at image , have considered all cases. Rupendra Choudhary answered Sep 16, 2017 selected Sep 23, 2017 by mystylecse Rupendra Choudhary comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes 45-(4c1)35+(4c2)25-(4c3)15 =>1024-972+192-4 =>240 saxena0612 answered Sep 22, 2017 saxena0612 comment Share Follow See all 0 reply Please log in or register to add a comment.