Comparing Quantities Quiz

A shopkeeper offers a discount of 20% on the marked price and still makes a profit of 25% on the cost price. If the marked price is $750, what is the cost price?

1. $480
2. $525
3. $600
4. $625

Answer: (a) $480

A population of a town increased by 10% in the first year, and by 20% in the second year. If the original population was 10,000, what is the population after two years?

1. 11,800
2. 12,000
3. 13,200
4. 14,400

Answer: (c) 13,200

Out of 2,500 voters, 15% did not vote. Out of those who voted, 40% were in favour of Candidate A. How many voters voted for Candidate A?

1. 850
2. 875
3. 900
4. 925

Answer: (a) 850

A shopkeeper sells a jacket at 20% profit after giving a discount of 10% on the marked price. If the cost price of the jacket is $1,800, find the marked price.

1. $2,160
2. $2,200
3. $2,250
4. $2,400

Answer: (d) $2,400

A man bought 5 pens for $120 and sold them at a profit such that the selling price of 3 pens equals the cost price of 5 pens. What is the profit percentage?

1. 25%
2. 40%
3. 66⅔%
4. 50%

Answer: (c) 66⅔%

A man sells a mobile phone at 20% profit. If he had sold it for $300 more, his profit would have been 30%. What is the cost price?

1. $2,400
2. $2,500
3. $2,700
4. $3,000

Answer: (d) $3,000

What sum will earn a simple interest of $1,800 in 3 years at a rate of 15% per annum?

1. $3,000
2. $3,500
3. $4,000
4. $4,500

Answer: (c) $4,000

A man borrows $2,500 at a rate of 8% p.a. for x years. If the simple interest is $600, find the value of x.

1. 2 years
2. 3 years
3. 4 years
4. 5 years

Answer: (b) 3 years

A certain sum earns a simple interest of $1,680 in 4 years at a rate of 7% per annum. What would be the interest on the same sum for 2 years at a rate of 8.5% per annum?

1. $960
2. $1,000.00
3. $1,020
4. $1,040

Answer: (c) $1,020

A sum of money triples itself in 10 years at simple interest. Find the rate of interest.

1. 15%
2. 20%
3. 25%
4. 30%

Answer: (b) 20%