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vardhan

· started a discussion

· 1 Months ago

answer is wrong may be (Question: 102827.0 )

final answer what i get is 0.105

Question:

What will come in place of question mark (?) in the following question?


\(\cfrac{\sqrt[3]{729}}{\sqrt[3]{1728}}\times\cfrac{8}{15}\times\cfrac{3}{8}=?\)

Options:
A) 0.15
B) 0.18
C) 1.02
D) 0.24
E) None of these
Solution:
?= \(\cfrac{\sqrt[3]{729}}{\sqrt[3]{1728}}\times\cfrac{8}{15}\times\cfrac{3}{8}=\)

\(=\cfrac{9}{12}\times\cfrac{8}{15}\times \cfrac{3}{8}\)

\( =\cfrac{3}{20}=0.15\)

kanhaiya jha

· commented

· 1 Months ago

Hello Vardhan, 0.15 is correct answer....please solve simplification step by step to get exact answer...

See solution:

?= {cube√(729)/cube√(1728)} × 8/15 × 3/8
=9/12 × 8/15 × 3/8
=3/20=0.15
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