Question 1
Which of the following interchange of signs would make the equation correct ?
8 × 6 +2 =22
Solution
Expression : 8 × 6 +2 =22
(A) : +,× , 2 and 6
$$\equiv8+2\times6=22$$
L.H.S. = $$8+12=20\neq$$ R.H.S.
(B) : +, ×, 2 and 8
$$\equiv2+6\times8=22$$
L.H.S. = $$2+48=50\neq$$ R.H.S.
(C) : +, ×, 6 and 8
$$\equiv6+8\times2=22$$
L.H.S. = $$6+16=22=$$ R.H.S.
=> Ans - (C)
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