दिए गए समीकरण में * को प्रतिस्थापित करने के लिए, निम्नलिखित में से चिह्नों के किस समुच्चय का प्रयोग किया जाना चाहिए?
72 * 4 * 2 = 3 * 5 * 1

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UP Police SI (दरोगा) Official PYP (Held On: 14 Nov 2021 Shift 2)
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  1. x - ÷ +
  2. + x x +
  3. ÷ - x +
  4. + x ÷ -

Answer (Detailed Solution Below)

Option 3 : ÷ - x +
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UP Police SI (दरोगा) Official PYP (Held On: 2 Dec 2021 Shift 1)
160 Qs. 400 Marks 120 Mins

Detailed Solution

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दिया गया है: 72 * 4 * 2 = 3 * 5 * 1

प्रश्न के अनुसार, चिह्नों को बदलने के बाद:

विकल्प 1) x - ÷ +

72 * 4 * 2 = 3 * 5 * 1 ⇒ 72 × 4 - 2 = 3 ÷ 5 + 1

⇒ 72 × 4 - 2 = 3 ÷ 5 + 1

⇒ 288 - 2 = 0.6 + 1

286 1.6 (बायाँ पक्ष दायाँ पक्ष)

विकल्प 2) + × × +

72 * 4 * 2 = 3 * 5 * 1 ⇒ 72 + 4 × 2 = 3 × 5 + 1

⇒ 72 + × 2 = × 5 + 1

⇒ 72 + 8 = 15 + 1

80 16 (बायाँ पक्ष ≠ दायाँ पक्ष)

विकल्प 3) ÷ - × +

72 * 4 * 2 = 3 * 5 * 1 ⇒ 72 ÷ 4 - 2 = 3 × 5 + 1

⇒ 72 ÷ 4 - 2 = × 5 + 1

⇒ 18 - 2 = 15 + 1

16 = 16 (बायाँ पक्ष दायाँ पक्ष)

विकल्प 4) + × ÷ -

72 * 4 * 2 = 3 * 5 * 1 ⇒ 72 + 4 × 2 = 3 ÷ 5 - 1

⇒ 72 + 4 × 2 = 3 ÷ 5 - 1

⇒ 72 + 8 = 0.6 - 1

80 -0.4 (बायाँ पक्ष ≠ दायाँ पक्ष)

इसलिए, "विकल्प 3" सही उत्तर है।

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