Maths Number System
Let N = 1421 × 1423 × 1425. What is the remainder when N is divided by 12?
माना N = 1421 × 1423 × 1425। N को 12 से विभाजित करने पर शेषफल क्या होगा?
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A
(a) 0
B
(b) 9
C
(c) 3
D
(d) 6
Correct Answer: Option C
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Explanation / व्याख्या:
1421≡5, 1423≡7, 1425≡9 (mod 12). 5×7×9=315. 315 mod 12=3.
1421≡5, 1423≡7, 1425≡9 (mod 12)। 5×7×9=315 mod 12=3।
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