Question

11. The digit in the units place of the cube of 47 is :
(a) 9
(b) 7
(C) 3
(d) 1
12. The least possible value of A for which 90 * A is
a perfect cube is
(a) 200
(b) 300
(c) 500
(d) 600​

Answer 1

Answer:

9

Step-by-step explanation:

47 is unit place 7 so 7*7= 49 so right answer is 9

Answer 2

Step-by-step explanation:

11. find the cube of unit digit of 47.

so the unit digit of 47 is 7 and the cube of 7 is 7×7×7= 343 and the unit digit of 343 is 3 and the answer is option (c) 3.