2 3-10- 4 6-7- 7 1-2-

The correct option is C 84Here, the given expression can also be written as 23/10×34/7×15/2 = ? Or ? = 20/10×35/7×16/2 Or ? = 2 × 5 × 8 Or ? = 80 ≈ 84 ...

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Standard V

Mathematics

Division of Decimals

2 3/10× 4 6/7...

Question

$2 \frac{3}{10} \times 4 \frac{6}{7} \times 7 \frac{1}{2} = ?$

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Solution

The correct option is D 84
Here, the given expression can also be written as
$\frac{23}{10} \times \frac{34}{7} \times \frac{15}{2} = ?$
Or $? = \frac{20}{10} \times \frac{35}{7} \times \frac{16}{2}$
Or $? = 2 \times 5 \times 8$
Or $? = 80 \approx 84$

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Q. Question 19

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23 x y - 46 x + 54 y - 108

is
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Q. Evaluate:

∣ ∣ ∣ ∣ ∣ \begin{matrix} \sqrt{23} + \sqrt{3} & \sqrt{5} & \sqrt{5} \sqrt{46} + \sqrt{15} & 5 & \sqrt{10} \sqrt{115} + 3 & \sqrt{15} & 5 \end{matrix} ∣ ∣ ∣ ∣ ∣

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2310×467×712=?

The correct option is D 84Here, the given expression can also be written as 2310×347×152=? Or ?=2010×357×162 Or ?=2×5×8 Or ?=80≈84

$2 \frac{3}{10} \times 4 \frac{6}{7} \times 7 \frac{1}{2} = ?$

The correct option is D 84
Here, the given expression can also be written as
$\frac{23}{10} \times \frac{34}{7} \times \frac{15}{2} = ?$
Or $? = \frac{20}{10} \times \frac{35}{7} \times \frac{16}{2}$
Or $? = 2 \times 5 \times 8$
Or $? = 80 \approx 84$