Question
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2.
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4.
Answer (Detailed Solution Below)
Option 4 : 840
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Detailed Solution
सही उत्तर 840 है।
Key Points
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prepsnap.in • Part -AQuestion:
The smallest number divisible by 8, 12, 20 and 28 is / 8, 12, 20 और 28 से विभाज्य सबसे छोटी संख्या है
1.
420
2.
560
3.
720
4.
840
Correct Answer: 840
$8 = 2^3$, $12 = 2^2 \cdot 3$, $20 = 2^2 \cdot 5$, $28 = 2^2 \cdot 7$; LCM $= 2^3 \cdot 3 \cdot 5 \cdot 7 = 840$. / $8 = 2^3$, $12 = 2^2 \cdot 3$, $20 = 2^2 \cdot 5$, $28 = 2^2 \cdot 7$; लघुत्तम समापवर्त्य $= 2^3 \cdot 3 \cdot 5 \cdot 7 = 840$।
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