IB ACIO Grade II previous year question
What will come in the place of the question mark (?) if '+' and '−' are interchanged and '×' and '÷' are interchanged? 42 + 19 ÷ 5 − 40 × 2 = ?
Asked in IB ACIO Grade II (16 Sep 2025 Shift 2) · Reasoning
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Correct answer: (A) −33
After swapping (+↔−, ×↔÷): expression becomes 42 − 19 × 5 + 40 ÷ 2 = 42 − 95 + 20 = −33.
हिंदी में प्रश्न
यदि '+' और '−' को परस्पर बदल दिया जाए तथा '×' और '÷' को परस्पर बदल दिया जाए, तो निम्नलिखित समीकरण में प्रश्न-चिह्न (?) के स्थान पर क्या आएगा? 42 + 19 ÷ 5 − 40 × 2 = ?
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उत्तर और व्याख्या देखें
सही उत्तर: (A) −33
चिह्न बदलने के बाद (+↔−, ×↔÷): व्यंजक बनता है 42 − 19 × 5 + 40 ÷ 2 = 42 − 95 + 20 = −33।
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