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What will come in the place of '?' in the following equation, if '+' and 'x' are interchanged and '-' and '÷' are interchanged? 17 + 77 -7 x 37 ÷ 47 =

A187

B167

C157

D177

Answer:

D. 177

Read Explanation:

We interchange the operators simultaneously as instructed:

  • (+) ↔ ( \times )

  • (−) ↔ (÷)

    Original expression

17+777×37÷4717 + 77 - 7 \times 37 ÷ 47

After interchanging operators

  • (+) becomes ( \times )

  • (−) becomes ( ÷ )

  • ( \times ) becomes (+)

  • ( ÷ ) becomes (−)

So the new expression is:
17×77÷7+374717 \times 77 ÷ 7 + 37 - 47

Solve using BODMAS

17×77=130917 \times 77 = 1309
1309÷7=1871309 ÷ 7 = 187
187+37=224187 + 37 = 224
224 - 47 = 177


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