Question 42

By interchanging the given two signs which of the following equation will be correct?
$$+  and  -$$

Solution

By interchanging '$$+$$' and '$$-$$'

(A) : $$13 - 14 \times 3 + 7 = 48$$ 

L.H.S. $$\equiv13+14\times3-7$$

= $$13+42-7=48=$$ R.H.S.

=> Ans - (A)


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