Q:

There are five persons A, B, C, D, E standing on six steps numbered 1, 2, 3, 4, 5 and 6 from the bottom. At most one person is standing on each step. The step number, on which A is standing, is two less than that of C. Step number on which B is standing is one more than that of D. 

If A is standing on Step 1 and B is not standing on Step 6, which of the following is true? 

• 1
  B is standing on step 2
• 2
  C is standing on step 4
• 3
  E is standing on step 3
• 4
  D is standing one step higher than C