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Maths
Number System
How many factors of 2⁴ × 5³ × 7⁴ are odd numbers?
2⁴ × 5³ × 7⁴ के कितने गुणनखंड विषम संख्याएँ हैं?
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A
(a) 18
B
(b) 24
C
(c) 36
D
(d) 8
Show Correct Answer
Correct Answer: Option B
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Explanation / व्याख्या:
Perfect square factors use even powers: 2^(0,2,4)×3^(0,2,4,6)×5^(0,2) = 3×4×2=24.
सम घातें: 2^(0,2,4)×3^(0,2,4,6)×5^(0,2) = 3×4×2=24।
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