Friday, October 7, 2011

Problem of the Day 6th Oct 2011


If xΔ(y +1) = yΔ(x +1), xΔ x = 1 and (x − y)Δ(x + y) = xΔ y, then what is the value of 1001Δ1?
(a) 1000                   (b) 100                    (c) 10                 (d) 1
Posted by Unknown at 11:08 AM
Labels: , , , , , , , , , , , ,

2 comments:

  1. GrimreaperOctober 7, 2011 at 2:53 PM

    wld be 1,

    ReplyDelete
  2. AnonymousOctober 7, 2011 at 8:41 PM

    delta=#
    1001#1
    we have to use them
    we can use them in 1, 3 operations
    if we use in 1
    1#1001+1=1001#2
    this will go on
    so sub in 3
    ans u will get the answer easily

    ReplyDelete

Subscribe to: Post Comments (Atom)