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What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged? 2 ÷ 70 x 2 - 30 + 30 = ?

A69

B68

C70

D66

Answer:

C. 70

Read Explanation:

Interchange the operators:

  • (+) ↔ (-)

  • (×) ↔ (÷)

So the expression becomes:
2 × 70 ÷ 2 + 30 - 30

Apply BODMAS:

2 × 70 = 140
140 ÷ 2 = 70
70 + 30 - 30 = 70

Final Answer:

70


Related Questions:

In this question a statement is followed by two conclusions.Which of the two conclusions is/are true with respect to the statement?

Statment : $T > G < E > F = B ≤ Z

Conclusion:

1 . F = Z

2.E > B

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What will come in place of the question mark (?) in the following equation, if ‘+’ is interchanged with ‘÷’ and ‘-’ is interchanged with ‘×’? 100 × 121 + 11 - 7 ÷ 24 - 8 × 33 × 99 + 17 = ?

Select the set in which the mumbers are related in the same way as are the numbers of the following sets.

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding/deleting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

(4, 25, 6)

(3,28,9)

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