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Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ?

Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ? Correct Answer none of these

Related Questions

In a group of 450 Teachers, 22% of the total Teachers take the English department, 34% of the total Teachers take the quant. department, and 26% of the total Teachers take the LR department. 8% of the total Teachers have taken both English and quant department only. Out of the total Teachers in the English department, 1 / 3 have taken both English and LR department only. Out of the total Teachers in the quant department, 1 / 3 have taken both quant and LR department only. Only 20 Teachers take all the three departments. Find the number of Teachers who have not taken any department. 
The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visit the Purchase department ? Statements : I. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion. II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.
The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visit the Purchase department ? I. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion. II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.
Question : The Chairman of a big company visits one department on Monday of every week except for the Monday of third week of every month. When did he visit the Purchase department ?

Statements :
I. He visited Accounts department in the second week of September after having visited Purchase department on the earlier occasion.
II. He had visited Purchase department immediately after visiting Stores department but before visiting Accounts department.
Average number of books of 4 subjects Maths, English, Hindi and Science in library P is 77. In library Q, there are 5 more English books and 23 more Science books than that of in library P. If the average of the total number of books of 4 subjects in library P and that in library Q is 348 then the library Q has how many more books of Hindi and Math than library P?
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In a library, the ratio of science books to commerce books is 7 : 2, the total number of science books being 1001. When a new lot of science books were added to the library collection, the ratio of science books to commerce books changed to 50 : 13. What is the number of new science books in the lot?
Ten books are arranged in a row following a certain sequence. Among them 3 are History , 3 are Economics, 2 are Maths and 2 are English. From the left, there is an English book between a History and Maths book, a history book between a Maths and an English book, an Economics book between an English and a Maths Book. a Maths book between two Economics books and two Economics two Economics book between a Maths and a History book. Book of which subject is at the sixth position from the left?