Question Details

What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
333×3+115÷5=?

Options

A

175

B

192

C

152

D

125

Show Answer

Correct Answer :

Option D

125

Solution :

The correct option is 125.

Given Equation:

333×3+115÷5=?

Interchange Rules:

• '+' and '−' are interchanged.
• '×' and '÷' are interchanged.

Step 1: Replace the signs according to the given instructions:

• '×' becomes '÷'
• '+' becomes '−'
• '−' becomes '+'
• '÷' becomes '×'

Substituting these changes into the original equation, we get the new equation:

333÷311+5×5=?

Step 2: Solve the new equation using the BODMAS rule (Brackets, Orders, Division/Multiplication, Addition/Subtraction):

First, perform Division and Multiplication:

333÷3=111

5×5=25

Substitute these values back into the equation:

11111+25=?

Next, perform Addition and Subtraction from left to right:

11111=100

100+25=125

Therefore, the number that comes in place of the question mark (?) is 125.

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