Question 39

The following equation is incorrect. Which two signs should be interchanged to correct the equation?
16 ÷ 8 - 5 x 2 + 6 = 9

Solution

Expression : 16 ÷ 8 - 5 x 2 + 6 = 9

(A) : + and x

$$\equiv16\div8-5+2\times6=9$$

L.H.S. = $$(\frac{16}{8})-5+(2\times6)$$

= $$2-5+12=9=$$ R.H.S.

=> Ans - (A)

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The following equation is incorrect. Which two signs should be interchanged to correct the equation?16 ÷ 8 - 5 x 2 + 6 = 9