What will come in place of the question mark (?) in the…

Question

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
$321 - 371 \div 22 + 216 \times 6 = ?$

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Question (English)

What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
$321 - 371 \div 22 + 216 \times 6 = ?$

  1. 7848
  2. 7884
  3. 8747
  4. 8447 ✓ Correct
Explanation:

Step 1: Identify the given equation and the interchange rules.

Original Equation: $321 - 371 \div 22 + 216 \times 6 = ?$

Rules for interchange:

  • Replace ‘+’ with ‘–’ and ‘–’ with ‘+’
  • Replace ‘×’ with ‘÷’ and ‘÷’ with ‘×’

Step 2: Apply the changes to the equation.

New Equation: $321 + 371 \times 22 - 216 \div 6$

Step 3: Solve using BODMAS rule (Brackets, Order, Division, Multiplication, Addition, Subtraction).

  • First, perform Division: $216 \div 6 = 36$
  • Equation becomes: $321 + 371 \times 22 - 36$
  • Next, perform Multiplication: $371 \times 22 = 8162$
  • Equation becomes: $321 + 8162 - 36$
  • Finally, Addition and Subtraction: $8483 - 36 = 8447$

Therefore, the correct answer is 8447.

प्रश्न (हिंदी)

निम्नलिखित समीकरण में प्रश्न चिह्न (?) के स्थान पर क्या आएगा, यदि ‘+’ और ‘–’ को आपस में बदल दिया जाता है तथा ‘×’ और ‘÷’ को आपस में बदल दिया जाता है?
$321 - 371 \div 22 + 216 \times 6 = ?$

  1. 7848
  2. 7884
  3. 8747
  4. 8447
स्पष्टीकरण:

आइए इसे चरण-दर-चरण हल करते हैं:

चरण 1: प्रश्न के अनुसार चिह्नों को बदलें।

  • ‘+’ की जगह ‘-’ और ‘-’ की जगह ‘+’ रखें।
  • ‘×’ की जगह ‘÷’ और ‘÷’ की जगह ‘×’ रखें।

नया समीकरण बनेगा: $321 + 371 \times 22 - 216 \div 6$

चरण 2: BODMAS नियम का उपयोग करके हल करें।

  • सबसे पहले भाग (Division) करें: $216 \div 6 = 36$
  • अब समीकरण है: $321 + 371 \times 22 - 36$
  • अब गुणा (Multiplication) करें: $371 \times 22 = 8162$
  • अब समीकरण है: $321 + 8162 - 36$
  • अंत में जोड़ और घटाव करें: $8483 - 36 = 8447$

अतः सही उत्तर 8447 है।

📚 About this Topic — General Intelligence and Reasoning (2024)-1

This multiple choice question is from General Intelligence and Reasoning (2024)-1. It has 4 options with a detailed explanation of the correct answer and is available in both English and Hindi (द्विभाषी). Practice more MCQs from General Intelligence and Reasoning (2024)-1 to strengthen your preparation.

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