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Bunuel
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Quote:
What is the greatest positive integer, which when subtracted from 5834, gives a positive integer divisible by each of 20, 28, 32 and 35?

(A) 1120
(B) 4714
(C) 5200
(D) 5600
(E) 5700

We just have to subtract each of the options from the 5834 and determine if they are divisible by 2^5,5,7.
A. 4717 -> not divisible
B. 1120 -> possible
C. last digit is 4 which cannot be a factor of 5.
The same applies to D and E as C.
Hence the correct answer is B 4714
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greatest no should be divisible by lcm of 5,7,and 4 i.e. 140 therefore option b
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5834 - x = the least number divisible by 20, 28, 32, and 35

=> 5834 - x = lcm (20, 28, 32, 35) = 1120

=> x = 5834 - 1120 = 4714

OA should be B
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