In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5, 9 and 13 (factors of 585) and got the remainders 4, 8, 12 respectively. If he had divided the number by 585, what would have been the remainder?

Correct Answer: 584
এখানে, 5 - 4 = 1, 9 - 8 = 1, 13 - 12 = 1 5, 9 ও 13 এর ল.সা.গু = 585