Question

5^16+125^5 is divisible by :
(a) 5
(b)6
(c) 8
(d)9​

Answer 1

Answer:

(a) 5

Step-by-step explanation:

5*16+125*5

80+625

705

Answer 2

Answer:

(A) 5

Step-by-step explanation:

here , 5¹⁶+125⁵

       =5¹⁶+5³ˣ⁵

        =5¹⁶+5¹⁵

       one's place of 5¹⁶ is 5

       one's place of  5¹⁵ is 5

    So adding (5+5=10)  one's place is 0

hence, number end with 0 divisible by 5

therefore , 5¹⁶+125⁵ divisible by 5