Question 3: A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

a. $18 b. $20 c. $50 d. $13

Exam number 1: Đi tìm kho báu

Question 1:
There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?

• a. 10
• b. 12
• c. 18
• d. 20

Question 2:

What is the product of 3.05 and 2.8?

• a. 8.54
• b. 8.056
• c. 8.56
• d. 8.054

Question 3:

A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?

• a. $18
• b. $20
• c. $50
• d. $13

Question 4:

If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?

• a. $21.75
• b. $26
• c. $18.75
• d. $17.25

Question 5:

If the area of the rectangle ABCD is 60cm² then the area of the trapezoid MNCD is ..........cm².

 

• a. 48
• b. 50
• c. 45
• d. 54

1>My class of 32 students are going to a Fun Fair for children and need to buy entrance tickets for each student. The price of an entrance ticket is 5,000 dong. The good news is that when we buy 5 tickets, the Fun Fair gives us 1 extra ticket for free. How much does my class have to pay to buy enough tickets for the whole class?

2>Minh’s family needs to tile the floor of a rectangular room, 5 m in length and 3.8 m in width, with square tiles. The length of the side of each tile is 0.5 m. Each of the tiles close to the wall, if not a whole one, is cut from a whole tile. The total number of tiles needed to tile the room is ?

3>A student cycles from home to school in a distance of 1,200 m with speed of 2.5 m/s. There are 4 crossroads on the way; the time to stop for red lights at each crossroad is 30 s the longest. The longest time it takes the student to reach school is?