Grade 6 - Maths - Percentage 4

On an airplane, the ratio of the number of men to the number of women was 3: 2.

What percentage of the passengers were men?

• 20%

• 30%

• 50%

• 60%

In a class, 30% of the pupils are girls. 20% of the girls are born in Singapore.

What percent of the class are girls who are born in Singapore?

• 5%

• 6%

• 10%

• 25%

A lady paid $288 for a phone after a discount of 40%.

Find the original price of the phone.

In a class, 60% of the pupils are boys. 20% of the boys like noodles.

How many percent of the class are boys who do not like noodles?

Mr Larry brought his family to a restaurant for dinner.

The total bill was $220 which included a 10% service charge.

What was the cost of the dinner without the service charge?

There were some buttons in a box.

60% of them were yellow and the rest were blue.

After 220 yellow buttons were given away, there was an equal number of yellow and blue buttons left in the box.

How many buttons were in the box at first?

The usual price of a bracelet was $480.

Susila bought it for $360 during a sale.

What was the percentage discount?

Adam has 75% as much money as Ben.

Cheng En has 40% as much money as what Adam and Ben have in all.

Adam has $210 more than Cheng En.

How much money does Ben have?

Jaclyn saved 20% of her monthly income.

Her income for May was 15% less than that for April.

As a result, her savings in May decreased by $90 compared to her savings in April.

What was her savings in May?

There were 90 pupils in the hall.

80% of them were boys and the rest were girls.

After recess, 30 more girls went into the hall.

What percentage of the pupils were girls in the end?