Question 39

The following equation is incorrect. Which two signs should be interchanged to correct the equation?
17 x 6 + 2 - 9 ÷ 2 = 44

Solution

Expression : 17 x 6 + 2 - 9 ÷ 2 = 44

(A) : ÷ and +

$$\equiv17\times6\div2-9+2=44$$

L.H.S. = $$(17\times\frac{6}{2})-9+2$$

= $$(17\times3)-7=44=$$ R.H.S.

=> Ans - (A)

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The following equation is incorrect. Which two signs should be interchanged to correct the equation?17 x 6 + 2 - 9 ÷ 2 = 44