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A, B, C, and D are four persons in a group who have to choose one number from 1 to 10. No two persons can take the same number. The Cube of the number
Question

A, B, C, and D are four persons in a group who have to choose one number from 1 to 10. No two persons can take the same number. The Cube of the number chosen by A and the Square of the number chosen by C are both within the permitted number range. B has chosen a number that is just one greater than the number chosen by C and D has chosen the smallest number amongst the four persons. What number has D chosen?

A.

4

B.

9

C.

8

D.

1

Correct option is D

Given: 
The Cube of the number chosen by A and the Square of the number chosen by C are both within the permitted number range.
B has chosen a number that is just one greater than the number chosen by C
D has chosen the smallest number amongst the four persons. 
From the given information arrangement will be:
D has chosen 3/2/1
So, from option D has chosen 1
Thus, Option D is the correct answer.

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