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Question

What value should come in place of the question-mark (?) in the following questions:

[∛(91125/19683  )- ∛(3375/5832  )  ]  ×  ∛(512/9261)  = ? - √(484/3969)

A 5/16 Correct Answer Incorrect Answer
B 3/16 Correct Answer Incorrect Answer
C 7/8 Correct Answer Incorrect Answer
D 2/3 Correct Answer Incorrect Answer
E 5/8 Correct Answer Incorrect Answer

Solution

[∛(91125/19683  )- ∛(3375/5832  )  ]  × ∛(512/9261)  = ? - √(484/3969) (45/27- 15/18) × 8/21 = ? - 22/63 (5/3-  5/6) × 8/21 = ? - 22/63 5/6  ×8/21 =? - 22/63 20/63 + 22/63 = ? ? = 42/63 = 2/3

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