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MNAISH JOSHI

· started a discussion

· 1 Months ago

47 (Question: 113676.0 )

but the given answer is D

Question:

DIRECTIONS: What should come in place of the question mark (?) in the following question?


\(\sqrt[3]{?} = (28\div14)\div7\)

Options:
A) 157464
B) 74088
C) 117649
D) 175616
E) None of these
Solution:
Ans: (e)

\(\sqrt[3]{?}\) = (28 \(\div\) 14) \(\div\) 7

\(\sqrt[3]{?}\) = 2 \(\div\) 7

(?)1/3 = \(\cfrac{2}{7}\) 

\(? = \left ( \cfrac {2}{7} \right )^3 = \cfrac{8}{343}\)

kanhaiya jha

· commented

· 1 Months ago

cube root of ? =(28÷14)÷7
?=8/343
So, None of these will be the answer....
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