In a row of students, R is 10th from left and S is 12th from right. If they interchange positions, R becomes 14th from left. Total students?

उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (C) 25

स्पष्टीकरण

S's old position is 14th from left and 12th from right: 14 + 12 − 1 = 25.