Question 30

If * = +, / = -, + = , - = / then 43 561 + 500 - 100 / 10 = ?

Solution

The given equation is 43 * 561 + 500 - 100 / 10 = ?

We need to change the symbols according to If * = +, / = -, + = *, - = /

43 + 561* 500 / 100 - 10 = ?

Now applying the BODMAS rule, we get the equation as

$$43+561\times\left(\dfrac{500}{100}\right)-10$$

=> $$43+\left(561\times5\right)-10$$

=> $$43+2805-10\ =\ 2838$$

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If * = +, / = -, + = *, - = / then 43 * 561 + 500 - 100 / 10 = ?