Question 39

The following equation is incorrect. Which two signs should be interchanged to correct the equation?
14 + 8 ÷ 16 - 9 x 12 = 10

Solution

Expression : 14 + 8 ÷ 16 - 9 x 12 = 10

(A) : + and ÷

$$\equiv14\div8+16-9\times12=10$$

L.H.S. = $$1.75+16-108=-90.25\neq$$ R.H.S.

(B) : x and +

$$\equiv14\times8\div16-9+12=10$$

L.H.S. = $$7+3=10=$$ R.H.S.

=> Ans - (B)

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The following equation is incorrect. Which two signs should be interchanged to correct the equation?14 + 8 ÷ 16 - 9 x 12 = 10