RRB NTPC · प्रश्न 32
दिलेल्या विभाजकाचा एकक अंक शोधा. (3451)^51 × (531)^43 A. 6 B. 4 C. 1 D. 9
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (B) C
स्पष्टीकरण
Any power of a number ending in 1 ends in 1. So both factors end in 1 and their product ends in 1.
RRB NTPC · प्रश्न 32
उत्तर: (B) C
Any power of a number ending in 1 ends in 1. So both factors end in 1 and their product ends in 1.