तीन क्रमागत संख्यांची बेरीज 42 असल्यास मधली संख्या शोधा. A. 12 B. 18 C. 16 D. 14

Let the numbers be x − 1, x and x + 1. Their sum is 3x = 42, so x = 14. The numbers are 13, 14 and 15, and the middle one is 14.