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Percentages || 01.03.2021

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Question 1

If the price of apple increases from ₹80/kg to ₹100/kg, then by what percentage a person should decrease the consumption of apples so that his expenditure remains the same?

Question 2

Two students appeared in an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are

Question 3

10% of A’s monthly income is equal to 15% of B’s monthly income and 5% of B’s annual income is equal to 20% of C’s annual income. If the monthly income of A is ₹12000, then find the total annual income of B and C.

Question 4

The difference of two positive numbers is 1020. If 7.6% of the greater number is 12.4% of the smaller number, then the sum of the two numbers is equal to:

Question 5

A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X, appeared in the same examination from school Y. If 80% of the total number of students who appeared from X and Y passed, then what is the percentage of students who failed from Y?

Question 6

In a factory 60% of the workers are above 30 years and of these 75% are males and the rest are females. If there are 1350 male workers above 30 years, the total number of workers in the factory is

Question 7

When 50% of a number A is added to B, the second number B increases by 25%. The ratio between the numbers A and B is:

Question 8

In a survey, 70% of those surveyed owned a car and 75% of those surveyed owned a TV. If 55% owned both a car and a TV, what percent of those surveyed did not own either a car or a TV?

Question 9

A fraction in reduced form is such that when it is squared and then its numerator is increased by 25% and the denominator is reduced to 80% it results in 5/8 of the original fraction. The product of numerator and denominator of the original fraction is

Question 10

A number increased by  gives 98. The number is
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