Find the least number which on being divided by 5, 6, 8, 9, 12 leaves in each case a remainder 1 but when divided by 13 leaves no remainder?
A
3601
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B
1469
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C
2091
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D
4879
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Solution
The correct option is A 3601 LCM of 5, 6, 8, 9 and 12=2×2×2×3×3×5=360 ∴Requirednumber=(360k+1) (360k+1) is divisible by 13 then k=10 Required number =360×10+1=3601