The salary of a man decreased from Rs. 20000 per month to Rs. 15000 per month. . Find the decrease percent.

Decrease in salary = 20000 – 15000 = 5000 Decrease percent = 5000/20000*100 = 25%

- If the student scores 25% marks then he is failed by 210 marks. But if he scores 55% marks then he is passed by 240 marks. Find the passing percentage?
- Gaurav spends 25% of his salary on grocery and 35% of the remaining amount on electricity bills. If Gaurav saves Rs. 33637.5, what is his total salary?
- Sumit spends 30% of his salary on food items and 30% of the remaining amount on electricity bill. If Sumit saves Rs. 29400, what is his total salary?
- In an examination, Anil secured 320 marks and passed by 60 marks. If the passing mark is 40% of the maximum marks, then find the maximum marks.
- The marks obtained by A is 25% more than B, and the marks obtained by C is 122 more than the difference of the marks obtained by A and B. If C obtained 200 marks, then find the marks obtained by A.
- In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, and amounts to 120. Find the number of scholars in the school.
- A sum of money invested at simple interest amounts to Rs. 16800 in 2 years and to Rs. 23100 in 9 years. What is the rate of simple interest per annum?
- The marks obtained by A is 25% more than B, and the marks obtained by C is 155 more than the difference of the marks obtained by A and B. If C obtained 220 marks, then find the marks obtained by A.
- Rani appeared for an examination which had four papers, with the weightage of the four papers being in the ratio 1:2:3:x She secured 60 percent marks in Paper 1, 75 percent marks in Paper 2, 72 percent marks in Paper 3 and 80 percent in Paper 4. If the overall average scores of all the four papers taken together is 75.5 percent, what is the value of x?
- Three persons Soham, Puneet, Chetan whose salaries together amount to Rs.6,44,000 spends 75, 80 and 60 percent of their salaries respectively. If their savings are in the ratio 8:7:10, then what is Puneet’s salary?

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