Arun has certain number of books. It is not less than 15 and not more than 30. If he wants to give these books equally to 2 of his friends, then 1 book will remain. If he wants to give these books equally to 3 of his friends, then 2 books will remain. If he wants to give these books equally to 4 of his friends, then 3 books will remain. What is the number of books he had?
Choose the correct choice from the following
A) 23	B) 24	C) 25	D) 26	E) 27
Explanation :   If he wants to give these books equally to 2 of his friends, then 1 book will remain, it means possible   number of books = 15,17,19,21,23,25,27,29   If he wants to give these books equally to 3 of his friends, then 2 books will remain, it means possible   number of books = 17,20,23,26,29   If he wants to give these books equally to 4 of his friends, then 3 book will remain, it means possible   number of books = 15,19,23,27   Hence ,the common number is only 23 so it will be answer.   23nswer : 23
<result>A</result>
Arun has certain number of books. It is not less than 15 and not more than 30. If he wants to give these books equally to 2 of his friends, then 1 book will remain. If he wants to give these books equally to 3 of his friends, then 2 books will remain. If he wants to give these books equally to 4 of his friends, then 3 books will remain. What is the number of books he had?