Instructions

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

Question 132

$$17 \times 19 \times 4 \div ? = 161.5$$

Solution

Expression : $$17 \times 19 \times 4 \div ? = 161.5$$

=> $$\frac{323 \times 4}{x} = \frac{323}{2}$$

=> $$x = 4 \times 2 = 8$$

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