Question 13
Find out the two signs to be interchanged to make the following equation correct.
$$25 + 25 \times 25 - 25 \div 25 = -599$$
Solution
Expression : $$25 + 25 \times 25 - 25 \div 25 = -599$$
(A) : $$+$$ and $$\times$$
L.H.S. $$\equiv25\times25+25-25\div25$$
= $$625+25-1=649$$
(B) : $$\times$$ and $$\div$$
L.H.S. $$\equiv25+25\div25-25\times25$$
= $$25+1-625=-599=$$ R.H.S.
=> Ans - (B)
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