Finding the Increase or Decrease in Percent

Q.

A salesman has the liberty to sell a hairdryer in his store at a price between$₹300$ and $₹700$ the Profit earned by selling the hairdryer for $₹650$ is twice the loss incurred when it is sold for$₹350$. What is the cost price of the hairdryer?

Q.

Find the following:

$75\%\mathrm{of}400$

Q.

The price of an article is increased from $₹$$20$ to $₹$$24$. Find the percentage increase.

Q.

If the price of milk increases from 24 rupees per litre to 32.40 per litre, then the percentage increase in the price is equal to

1. 15%

2. 25%

3. 45%

4. 35%

Q.

You miss 3 out of 10 questions on a science quiz and 4 out of 15 questions on a maths quiz. On which quiz did you have greater percentage of correct answers?

Q.

A number increased by 140% of it's original value becomes 392. Find the number

1. 280

2. 270

3. 300

4. 312

Q.

The price of all the televisions in a shop are to be increased by 25%. Calculate the new price of a television that originally cost ₹22000.

1. Rs.162

2. Rs.169
3. Rs.160
4. Rs.152

Q.

Decrease $Rs.5$ by $10\%$.

Q. Find the resulting quantity when:
$25km$ is increased by $5\%$.

Q.

We get 150 when we decrease 200 by 20%.

1. True

2. False

Q.

The price of all the televisions in a shop are to be increased by 25%. Calculate the new price of a television that originally cost ₹22000.

1. Rs.169

2. Rs.162

3. Rs.160
4. Rs.152

Q.

Raman asked Vinay to convert $\frac{12}{16}$ into a percentage. He answered 75%.

1. True

2. False

Q.

A 10% hike in petrol price between yesterday and today means that a man who paid ₹ 80 for it yesterday will pay ₹ 88 today.

1. True

2. False

Q.

A 10% hike in petrol price between yesterday and today means that the one who paid ₹ 200 yesterday, will pay ₹ 220 today for the same amount of petrol.

1. True

2. False

Q. Raju scored 540 marks out of 600. Write his score as a percentage.

Q.

A number decreased by 28% becomes 540. Find the number.

1. 650

2. 700

3. 750

4. 800

Q.

If 20 is decreased by 50%, then we obtain 10.

1. True

2. False

Q.

At what rate percent will $Rs825$earn $Rs8.25$in $73days.$

Q.

If the present petrol price is ₹ 50, then what is the new price when:

i) there is an increase in 20% on the original price?

ii) there is a decrease in 10% on the original price?

1. 60, 45

2. 75, 80

3. 45, 60

4. 80, 75

Q.

If the price of a television is increased by 5%, calculate the new price if its original price is ₹15000.

1. Rs.162

2. Rs.169
3. Rs.152
4. Rs.160

Q.

Ravi purchased a vehicle at ₹ 60, 000. He sold it at a price 30% less than its value to Amit. Ravi also spent 5% of the price at which he sold to Amit in documents transfer. Find the overall Percentage loss in the entire transaction for Ravi.

1. 
2. 
3. 
4. 

Q.

The difference between A's and B's salary is ₹ 540.60. If B's salary is greater and A's salary is ₹ 27030, Find the percentage by which B's salary is higher.

1. 2%

2. 2.5%

3. 4%

4. 5%

Q.

On Sunday, 845 people visited the zoo, whereas on Monday only 169 people visited. Find the percentage decrease in the number of visitors on Monday.

1. 40 %
2. 60 %
3. 20 %
4. 80 %

Q.

Raman asked Vinay to convert $\frac{12}{16}$ into a percentage. He answered 75%. True/False?

1. True

2. False

Q.

If the price of a television is increased by 5%, calculate the new price if its original price is ₹15000.

1. Rs.169

2. Rs.162

3. Rs.152
4. Rs.160

Q.

A 10% hike in petrol price between yesterday and today means that a man who paid ₹ 200 for some petrol yesterday, will pay ₹ 220 for the same amount of petrol today.

1. True

2. False