ITMC - Lớp 4 (Đề 4)

There are 18 men and 22 women in a bus. At the first bus stop, 4 women get off and 6 men (new passengers) get on the bus. When the bus moves away the first bus stop, what fraction of the total passengers is the number of male passengers?

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In the adjoining figure, ABGF is a square and its area is equal to the square FGDE.

The area of ABGF is 289 square of centimeters CD = 3DE.

What is the area of the triangle BCD in square of centimeters?

• 834

• 867

• 895

• 912

• 924

Consider the following process.

Step 1 : Draw a rectangle then divide it into 2 equal parts.

Choose 1 part to paint red color as shown in the figure.

Step 2: Repeat step 1 to the red part and paint yellow color on the chosen part.

Step 3: Repeat step 1 tothe yellow part and paint green color on the chosen part.

What fraction of the rectangle is the green part?

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In the adjoining figure, the letter T M C are constructed by squares with length of a side 2 units.

Whatistheareaofthe constructedlettersintotal?

• 20

• 42

• 64

• 69

• 78

Let T, M, and C represent different digits from 0 to 9. Given the pattern of numbers as follows 2019, 2044, 2072, 2103, TMC7 . Determine the value of T + M + C.

• 4

• 5

• 6

• 7

• 8

What Fig. has 132 quadrilaterals?

• Fig.8

• Fig.9

• Fig.10

• Fig.11

• Fig.12

A bag shop sells a bag priced at 199 baht. Each day from Monday to Friday the shop sold a number of bags as follows.

Monday:  15 bags were sold.

Tuesday: the number of bags were sold 3 bags greater than Monday.

Wednesday: thenumber of bags were sold 4 bags less than Tuesday.

Thursday: the number of bags were sold equal to Tuesday.

The shop receives money 15,323 baht in total from selling bags 5 days (Monday to Friday).

How many bags were sold on Friday?

(Note that baht is the currency of Thailand.)

• 12

• 13

• 14

• 15

• 16

The following bar chart represents the comparison of the scores round TMC1, TMC2, and TMC3 of two students.

Let a represent the difference of the total scores of 3 rounds of the two students and b represent thedifference of the scores of round TMC 1 of the two students. Which one of the following statements is true?

• b is 20 greater than a

• a is 20 greater than b

• a is 30 greater than b

• b is 30 greater than a

• a and b are equal

The following table shows mathematics scores of three class of students in grade 4 namely 4/1, 4/2, and 4/3.

The mathematics teacher said that “Any student who gets the score less than or equal to 60 must attend the intensive class on Saturday.”

What is the difference of the number of students in class 4/3 who must attend and the number of students in class 4/1 who must not attend the intensive class on Saturday?

• 10

• 11

• 12

• 13

• 14

Find the value of 0.013 ´ 0.197

• 2.561

• 0.2561

• 0.02561

• 0.002561

• 0.0002561