Maths Number System
Number A39K2 is completely divisible by both 8 and 11. What is the possible value of A + K?
संख्या A39K2, 8 और 11 दोनों से पूर्णतः विभाज्य है। A + K का संभावित मान है:
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A
(a) 8
B
(b) 10
C
(c) 12
D
(d) 15
Correct Answer: Option D
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Explanation / व्याख्या:
36000=2⁵×3²×5³. Factor div by 9 not 36: must have 3² but not 2². So 2¹×3²×5ᵏ: k=0,1,2,3 → 4 factors.
36000=2⁵×3²×5³। 2¹×3²×5ᵏ (k=0,1,2,3) → 4 गुणनखंड।
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