Instructions

What approximate value will come in place of the question mark (?) in the following questions ? (You are not expected to calculate the exact value).

Question 139

3/5 of 7/19 of 5/28 of 243 = ?

Solution

Expression : 3/5 of 7/19 of 5/28 of 243 = ?

= $$\frac{3}{5} \times \frac{7}{19} \times \frac{5}{28} \times 243$$

= $$\frac{3}{19 \times 4} \times 243$$

= $$\frac{729}{76} \approx 10$$

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