Question 42
The following equation is incorrect. Which two signs should be interchanged to correct the equation?
17- 20 ÷ 25 x 6 + 10 = 12
Solution
Expression : 17- 20 ÷ 25 x 6 + 10 = 12
(A) : ÷ and +
$$\equiv17-20+25\times6\div10=12$$
L.H.S. = $$17-20+(\frac{25\times6}{10})$$
= $$-3+15=12=$$ R.H.S.
=> Ans - (A)
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