Question 29

By interchanging which two signs the equation will be correct?
16 + 31 - 3 x 93 ÷ 11 = 966

Solution

Expression : 16 + 31 - 3 x 93 ÷ 11 = 966

By exchanging :

(A) + and -

L.H.S. = $$16-31+3\times93\div11$$

= $$-15+25.36=10.36\neq$$ R.H.S.

(B) - and ÷

L.H.S. = $$16+31\div3\times93-11$$

= $$16+(31\times31)-11$$

= $$5+961=966=$$ R.H.S.

=> Ans - (B)

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By interchanging which two signs the equation will be correct?16 + 31 - 3 x 93 ÷ 11 = 966