# Finding Increase or Decrease Percentage in Situations

## Trending Questions

**Q.**

The price of sugar is increased by 20%. By what percent must the consumption of sugar be decreased so that the expenditure on sugar may remain the same ?

**Q.**

If the price of sugar is increased by 25% today. By what percent should it be decreased tomorrow to bring the price back to the original ?

**Q.**

A dishonest shopkeeper professes to sell pulses at his cost price but uses a false weight of 950 for each kilogram. Find his gain percent.

**Q.**

The price of petrol goes up by 10%. By how much per cent must a motorist reduce the consumption of petrol so that the expenditure on it remains unchanged ?

**Q.**

A shopkeeper offers Buy $1$ Get $1$ Free offer on t-shirts marked at $\u20b92,400$‘. If after a sale, the shopkeeper earns a profit of ’$33.33\%$. Then what is the actual price of the t-shirt?

**Q.**

The value of a machine depreciates every year by 20%. If the present value of the machine be Rs. 160000, what was its value last year ?

**Q.**

The cost of an article is first increased by 20% and then decreased by 30%, find the percentage change in the cost of the article.

**Q.**

The value of a machine depreciates every year by 5%. If the present value of the machine be Rs. 100000, what will be its value after 2 years?

**Q.**

If the selling price of 18 oranges is equal to the cost price of 16 oranges, find the loss percent.

**Q.**

A man spends 35% of his income on food, 25% on childrens education, and 80% of the remaining on house rent. What percent of his income he is left with?

**Q.**

In an election, the winner obtained 54% of the total votes and defeated his opponent by 320 votes. The number of votes obtained by the winner is

**Q.**

Selling price of a toy car is $Rs540$. If the profit made by shopkeeper is$20\%$, what is the cost price of this toy?

**Q.**

A tricycle is sold at a gain of $15\%$. Had it been sold for$Rs108$ more the profit would have been$20\%$. Find its cost price.

**Q.**

A number is increased by 10% and the resulting number is again increased by 20%. What is the overall percentage increase in the number ?

**Q.**

A number is increased by $20\%$ and the increased number is decreased by $20\%$. Find the increase or decrease percent.

**Q.**

A number is first increased by 20% and the resulting number is then decreased by 10%. Find the overall change in the number as percent.

**Q.**

A number is first increased by 10% and then reduced by 10%. The number (a) does not change (b) decreases by 1% (c) increases by 1% (d) none of these

**Q.**

A's income is 25% more than B's. Find, B's income is how much percent less than A's.

**Q.**

The salary of an officer is increased by 25%. By what per cent should the new salary be decreased to restore the original salary ?

**Q.**

A number is increased by $40\%$ and then decreased by $40\%$. Find the net increase or decrease percent.

**Q.**On Sunday, 845 people went to the zoo. On Monday, only 169 people went to the zoo. What is the percent decrease in the number of people visiting the zoo on Monday?

- 50%
- 80%
- 60%
- 70%

**Q.**

In an army camp, there was food for 1000 soldiers for one month. After 10 days 1000 more soldiers joined. How long would the remaining food be sufficient for the soldiers?

8 days

10 days

12 days

11 days

**Q.**A toy was sold at a gain of 12%. Had it been sold for Rs. 33 more, the gain would have been 14%. Find the cost price of the toy. [3 MARKS]

**Q.**

A person sells an article for Rs. 550, gaining 110 of its C.P. Find gain percent.

**Q.**By selling 50 pens, a shopkeeper lost the amount equal to the selling price of 10 pens. Find his loss percentage.

- None of these

**Q.**

The cost of an article is first decreased by 25% and then further decreased by 40%. Find the percentage change in the cost of the article.

**Q.**

If the selling price of 10 pens is equal to cost price of 14 pens, find the gain percent.

**Q.**

(i) A number when increased by 23% becomes 861; find the number. (ii) A number when decreased by 16% becomes 798; find the number.

**Q.**

During 2003, the production of a factory decreased by 25%. But, during 2004, it (production) increased by 40% of what it was at the beginning of 2004. Calculate the resulting change (increase or decrease) in production during these two years.

**Q.**

On the eve of Gandhi Jayanti, a saree is sold for Rs. 720 after allowing 20% discount. What is the marked price?