- AOne
- BTwo
- CThree
- DNone
Step-by-Step Solution
Bottom to top: Neha, Om, Ravi, Lata, Kiran, Pooja, Mohan (Mohan 7th, Lata 4th, Kiran 5th, Pooja must take the 6th; on floors 1-3 Ravi is directly above Om with Neha below, so Neha 1st, Om 2nd, Ravi 3rd). Om is on the 2nd floor and Kiran on the 5th, so Ravi and Lata live between them - two people.
Answer: B) Two