Instructions

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

Question 47

$$\sqrt{\frac{2.76 \times 3}{2.3 \times 2.5}}=?$$

Solution

Expression : $$\sqrt{\frac{2.76 \times 3}{2.3 \times 2.5}}=?$$

= $$\sqrt{\frac{276 \times 3}{23 \times 25}}$$

= $$\sqrt{\frac{12 \times 3}{25}}$$

= $$\sqrt{\frac{36}{25}}$$

= $$\frac{6}{5} = 1.2$$


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