মানসিক দক্ষতা
নিম্নের অনুচ্ছেদটি ভালোমতো পড়ে ৬৮-৭০ নম্বর প্রশ্ন উত্তর করুন:
An engineer is planning to build a housing complex on an empty block of land. Exactly seven different designs of houses-F, G, H, I, J, K, and L will be built in the complex. The complex will contain several blocks, and the engineer plans to put houses of at least three different designs on each block.
The engineer will build the complex according to the following rules:
i. Any block that has design L on it must also have desing J on it.
ii. Any block adjacent to one that has on it both design H and design K must have on it design I and design L.
iii. No block adjacent ot one that has on it both design G and design L can have on it either design I or design J.
iv. No block can have on it both design H and design F.

Which of the following can be the complete selection of house designs on a block?