58
Q:
| A) 19 | B) 38 |
| C) 22 | D) 40 |
Answer: D) 40
Explanation:
Explanation:
To get a pair of black rings 100 percent certain
27 blue + 17 red + 2 black = 40 rings should be taken out
Then only we can get 100 % a pair of black rings.
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