Instructions

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

Question 84

$$\frac{17 \times 4+18 \times 3}{\sqrt{441} \times 5+139}=?$$

Solution

In order to find the value of the expression, let us find the value of the numerator and denominator separately.

The numerator is $$17 \times 4+18 \times 3 = 68 + 54 = 122$$
The denominator is $$\sqrt{441} \times 5+139 = 21 \times 5 + 139 = 105 +139 = 244$$

Hence, the value of the expression is $$\frac{122}{244} = \frac{1}{2}$$


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