(795 – 358)  द्वारे दर्शविलेल्या संख्येच्या एकक अंक काय आहे?

This question was previously asked in
RRC Group D Previous Paper 2 (Held On: 18 Sep 2018 Shift 1)
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  1. 6
  2. 7
  3. 0
  4. 4

Answer (Detailed Solution Below)

Option 4 : 4
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Detailed Solution

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दिलेले आहे:

(795 – 358

वापरलेली संकल्पना:

7 ची चक्रीयता 4 आहे

3 ची चक्रीयता 4 आहे

गणना:

795 = 7(4 × 23) + 3 = 1 × 73 = 343

⇒ 795 चा एककांक = 3

358 = 3(4 × 14) + 2 = 1 × 32 = 9

⇒  358 चा एककांक = 9

(795 – 358) चा एककांक = 3 – 9 = -6 or 10 - 6 = 4

∴ एककांक 4 असेल.

टीप: 3 - 9 = -6 कारण आपल्याला एककांक शोधायचा आहे. जेव्हा परिणाम ऋण असेल तेव्हा त्यात 10 मिळवा.

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