The set has been put up here. Refer to it if you haven’t seen it already: http://learningroots.in/cat-and-omet/lrdi-of-the-day-10/
Learningroots is a test prep company run by FMS and JBIMS alumni. The team consists of Shashank Prabhu who is a CAT, CET, SNAP, NMAT, IIFT 100%iler, Sriram Krishnan who is a GMAT 760, and 4-time CAT 99.5+ %iler and Prasad Sawant who is a CAT 99.92%ile and CET 99.99%iler.
Go through our courses here to get the Learningroots edge: http://online.learningroots.in/
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18 percent can be split 10+8 which is present. Why we did not consider that?