Question 39

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

12 + 8 - 25 ÷ 10 x 18 = 14

Solution

Expression : 12 + 8 - 25 ÷ 10 x 18 = 14

(A) : x and -

$$\equiv12+8\times25\div10-18=14$$

L.H.S. = $$12+(\frac{8\times25}{10})-18$$

= $$12+20-18=14=$$ R.H.S.

=> Ans - (A)

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The following equation is incorrect. Which two signs should be interchanged to correct the equation?12 + 8 - 25 ÷ 10 x 18 = 14