✔ Correct Answer: A. E

The correct answer to the question “Five books A, B, C and E have to be proofread in 6 hours where one hour needs to be spent per book. i. A break of one hour has to be taken in the third or the fourth hour. ii. The proofreading cannot start with A and has to end in C. iii. D has to immediately follow B with no break in-between. iv. A cannot be done immediately after D. v. A has to immediately proceed E with no break in-between. Q. Which book is to be proofread immediately after D?” is E. This question belongs to Mathematics. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.