दिलेल्या मालिकेतील प्रश्नचिन्हांची (?) जागा खालीलपैकी कोणती संख्या घेईल?

20, 30, 42, 56, ?, 90

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SSC JE Electrical 9 Oct 2023 Shift 3 Official Paper-I
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  1. 58
  2. 78
  3. 36
  4. 72

Answer (Detailed Solution Below)

Option 4 : 72
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येथे अनुसरण केलेला नमुना आहे,

qImage6780f0d30afbaf1ab5fc6ad2

म्हणून, योग्य उत्तर "72" आहे.

Alternate Method 

येथे अनुसरण केलेला नमुना आहे,

4 × 5 = 20

5 x 6 = 30

6 × 7 = 42

7 × 8 = 56

8 x 9 = 72

9 x 10 = 90

म्हणून, योग्य उत्तर "72" आहे.

Alternate Method 

येथे अनुसरण केलेला नमुना आहे,

4+ 4 = 20

52 + 5 = 30

6+ 6 = 42

7+ 7 = 56

8+ 8 = 72

9 2 + 9 = 90

म्हणून, योग्य उत्तर "72" आहे.

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