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Question 1:

A number is first increased by 10% and then decreased by 10% then what is overall change?

Question 2:

If the income of A and B is 21000 and 18500. The income of A is increased by 30% and the income of B is increased by 40%. Then find the total income of A and B?

Question 3:

When a number is increased by 45 , it becomes $118 \%$ of itself. What is $75 \%$ of the given number?

Question 4:

The ratio of $A, B$ and $C$ is $1: 2: 3$ where as their average is 600 . If $A$ increases by $20 \%$ and B decreases by $25 \%$, then by how much $\%$ should $C$ be increased or decreased so that their average would increase by $5 \%$ ?

Question 5:

A number $N$ is increased by $24 \%$ when 300 is added in it. Find 1600 is what percent of N?

Question 6:

Fresh fruit contains $78 \%$ water and dry fruit contains $18 \%$ water. How much dry fruit can be obtained from $82 \mathrm{~kg}$ of fresh fruits?

Question 7:

Ajit's working hours per day increased by $12 \%$ and his wages per hour were increased by $18 \%$ By what percent did his daily earnings increase?

Question 8:

A number is first increased by 10% and then increased by 20%. Find by what percent the original number is increased?

Question 9:

Amit sharma earns $x \%$ on the first Rs.2,000 and $\mathrm{y} \%$ on the rest of his income. If he earns Rs 390 from Rs.3,000 and Rs. 840 from Rs.6,000 of income, find $x \%$.

Question 10:

In an examination, Anshu scored 31% marks and failed by 16 marks . Shivani scored 40% marks and obtained 56 marks more than those required to pass. Find the minimum marks required to pass.