दोन संख्या 6 ∶ 5 च्या गुणोत्तरात आहेत. जर त्यांचा HCF 3 असेल, तर दोन संख्यांचा LCM किती असेल?

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SSC CGL 2022 Tier-I Official Paper (Held On : 01 Dec 2022 Shift 3)
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  1. ६४
  2. 110
  3. 90
  4. 80

Answer (Detailed Solution Below)

Option 3 : 90
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दिले:

दोन संख्या 6 ∶ 5 च्या प्रमाणात आहेत.

त्यांचे एचसीएफ 3 आहे.

वापरलेली संकल्पना:

1. जर P हा A आणि B चा HCF असेल तर A = P × m & B = P × n. (जेथे m आणि n अनियंत्रित धन पूर्णांक आहेत आणि ते एकमेकांचे सह-प्राइम आहेत)

2. LCM दोन किंवा अधिक संख्यांचा सर्वात लहान सामान्य गुणाकार आहे.

गणना:

पहिली संख्या = 6 × 3 = 18

दुसरी संख्या = 5 × 3 = 15

LCM (18, 15) = 3 × 6 × 5 = 90

त्यांचे LCM 90 आहे.

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