खालीलपैकी कोणती सह-मूळ संख्यांची जोडी आहे?

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RRB Group D 12 Sept 2022 Shift 2 Official Paper
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  1. 52, 24
  2. 363, 77
  3. 455, 49
  4. 81, 16

Answer (Detailed Solution Below)

Option 4 : 81, 16
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RRB Group D Full Test 1
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संकल्पना वापरली

सह-मूळ - ज्या संख्यांमध्ये 1 वगळता कोणताही सामाईक अवयव नसतो.

गणना

(52,24): 2 हा दोन्हीमध्ये समान अवयव आहे, म्हणून सह-मूळ नाही.

(363,77): 11 हा दोन्हीमध्ये समान अवयव आहे, म्हणून सह-मूळ नाही.

(455,49): 7 हा दोन्हीमध्ये समान अवयव आहे, म्हणून सह-मूळ नाही.

(81,16): त्यांच्याकडे 1 वगळता कोणताही सामान्य घटक नाही, म्हणून सह-मूळ

उत्तर (81,16) आहे 

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