11. 331, 482, 551, 263, 383, 362, 284 A. 263 B. 383 C. 331 D. 551 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B Solution: In each number except 383, the product of first and third digits is the middle one.
12. 835, 734, 642, 751, 853, 981, 532 A. 751 B. 853 C. 981 D. 532 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A Solution: In each number except 751, the difference of third and first digit is the middle one.
13. 41, 43, 47, 53, 61, 71, 73, 81 A. 61 B. 71 C. 73 D. 81 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D Solution: Each of the numbers except 81 is a prime number.
14. 3, 5, 7, 12, 17, 19 A. 19 B. 17 C. 5 D. 12 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D Solution: Each of the numbers is a prime number except 12.
