Prime integers below 10: 2, 3, 5, 7
Total outcomes: Number of ways you can choose 2 from 4 = 4C2= 6 pairs
No. of ways for Event: Pairs that will have products greater than product of pairs not selected i.e. (3,5), (3,7), (5,7) = 3 pairs
Probability = number of ways/Total outcomes = 3/6 = 1/2Hence choice(C) is correct.
Tough 700+ Level RCs: Passage1 | Passage2 | Passage3 | Passage4 | Passage5 | Passage6 | Passage7
Reading Comprehension notes: Click here
PowerScore CR Bible - Official Guide 13 Questions Set Mapped: Click here