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Question 1
In a school library, there are 110,000 books, 40% of which are science books. It was decided to add 20,000 new books to the library. How many of the new books should be science books in order to bring the percentage of science books in the library up to 45%?
Question 2
Krishna monthly earns Rs. 25000 per month and spends 80% of it. Due to revise in salary his monthly income has increased by 20% but due to price hike he has to spend 20% more. What is his new savings?
Question 3
Arpit invested 20% of his monthly income in LIC and 50% of the remaining amount, he gave to his mother. Her mother spent 50% of it in household expenditure and thus she saved Rs. 9,500, then find the monthly salary of the Arpit.
Question 4
Ronit went to an egg shop. He was happy to see that the price of eggs had come down. The price of eggs had been reduced by 25%. This helped him buy ten more eggs for Rs 150. What was the price of one dozen eggs earlier?
Question 5
Before getting hike in Rahul’s salary, the total expenses of the family was 60% of the total income and Rahul’s salary was equal to the total savings of the family. If Rahul got 50% hike in his salary, then what are the new total savings of the family as a percentage of its new total income if its expenses are kept constant?
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Feb 28PO, Clerk, SO, Insurance
