Practice HW 5

Which one of the following is a common factor of 54 and 63?

• 6

• 7

• 8

• 9

In a cinema, there are 26 rows of seats. In each row, there are 18 seats. How many seats are there in the cinema altogether?

• 144

• 234

• 468

• 520

Arrange the following fractions from the smallest -> the greatest.

2/3 , 3/4, 5/8

• 2/3, 5/8, 3/4

• 3/4, 5/8, 2/3

• 5/8, 2/3, 3/4

• 3/4, 2/3, 5/8

In which of the following numbers does the digit 6 stands for 6 hundredths?

• 173.816

• 264.891

• 324.568

• 437.682

A square garden has a perimeter of 48 m. What is its area?

• 12 m²

• 24 m²

• 124 m²

• 144 m²

Ata party, every 7th guest gets a voucher and every 9th guest gets a mug. What is the position of the first guest who will get both a voucher and a mug?



• 27

• 36

• 42

• 63

Father drove from Town A to Town B. The journey took 7 hours 15 minutes. He set off at 8.50 p.m. What time did he arrive at Town B?



• 3.05 am

• 3.50 am

• 4.05 am

• 4.50 am

Gideon has $55 at first. He spent $25 on a wallet. What fraction of this money is left?

• 5/16

• 5/11

• 6/11

• 5/6

John had twice as many erasers as Mike while Lance has 5 more erasers than Mike. If Lance has 45 erasers, what is the average number of erasers that the 3 boys have?



• 40

• 50

• 55

• 90

An apple costs $0.40. A pear costs $0.80 more than an apple. Find the cost of 10 such pears.



• $1.20

• $4.80

• $12

• $16