DELHI POLICE QUANT (PERCENTAGE + PROFIT AND LOSS) QUIZ

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Question 1:

 The price of an article is first increased by $20 \%$ and later on it is decreased by $25 \%$ due to reduction in sales. Find the net percentage change in final price of the article.

Question 2:

A trader allows a discount of $18 \%$ on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of $6.6 \%$ ?

Question 3:

72 percent marks are required to qualify in an entrance test if the maximum marks of the exam is 650 then what is the cut off in terms of qualifying marks?

Question 4:

A and B both spend 30% of their income together which is equal to Rs. 26400. If income of A is 20% more than that of B, then find the income of B (in Rs.)?

Question 5:

The income of A is 40% more than the income of B, and the income of C is 65 % less than the income of B. By what percentage is C's income less than that of A's?

Question 6:

The expenditure of Manav is 200% more than his savings. If his income increases by 18% and savings increase by 64%, then what is the percentage increase/decrease in his expenditure?

Question 7:

Mr. Ram gave 60% of the money he had to his wife. He also gave equal amounts to his three children, that is, each one got 20% of the remaining amount after giving to his wife. Three-fifths of the amount now left was spent on miscellaneous items and the remaining amount of ₹ 9,600 was deposited in the bank. How much money (in ₹ ) did Mr. Ram gave to his wife?

Question 8:

Ravina saves 16 $\frac{2}{3}$% of her monthly income. When her monthly expenses increase by 10% (income remains the same), she is able to save ₹ 1,275 a month. Her monthly income (in ₹) is:

Question 9:

A, B and C are three numbers. A is 20% more than B, and C is 20% less than the sum of A and B. The difference between B and C is what per cent less than A (correct to one decimal place)?

Question 10:

Some students (only boys and girls) from different schools appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed the exam. The number of boys who passed the exam was 70 more than that of the girls who passed the exam'. A total of 90 students failed. Find the number of students that appeared for the exam.