98 (Question:320107.0)

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Boompagu Christy Bhushan

· started a discussion

· 1 Months ago

98 (Question:320107.0)

Why not (81*12*36*20)/(8*15*35*49) ??

Question:

Simplify $10 \frac{1}{8} o f \frac{12}{15} \div \frac{35}{36} o f \frac{20}{49}$

Options:

$17 \frac{5}{12}$

$20 \frac{3}{25}$

$17 \frac{8}{17}$

$20 \frac{103}{250}$

Solution:

$\begin{matrix} 10 \frac{1}{8} o f \frac{12}{15} \div \frac{35}{36} o f \frac{20}{49} \\ = \frac{81}{8} \times \frac{12}{15} \div \frac{35}{36} \times \frac{20}{49} \\ = \frac{81 \times 12 \times 36 \times 49}{8 \times 15 \times 35 \times 20} = 20 \frac{103}{250} \end{matrix}$

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98 (Question:320107.0)

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