ITMC - Lớp 4 ( Đề 8)

Let A and B be positive integers.

Suppose that A is the smallest positive integer such that 2 x 4 x 6 x 8 x 10 x A = B x B.

What is the value of A + B ?

There are 4 kinds of bank notes namely 500 baht note, 100 baht note, 50 baht note, and 20 baht note. Kate has 8 bank notes consisting of at least one of each kind of the bank notes. She has the number of 500 bahtnotes more than 100 baht notes and the number of 50 baht notes more than 20 baht notes.

What is the smallest total value of the bank notes that Kate has?

In the adjoining figure, if the numbers 1, 2, 3, and 4 have to be filled in the blank cells of the table (1 cell 1 number). 

Findthenumberofwaysthiscanbedoneifineachrowandeachcolumnconsistsof different numbers.

• 1

• 2

• 3

• 4

• more than 4

The number of population in city T is 12,345,678 and in city M is 8,765,432.

The number of population in city C is 7,777 greater than the difference of the number of population in city T and M.

What is the number of population in city C?

• 21,103,333

• 3,287,654

• 3,588,023       

• 3,572,469

• 3,456,782

 

What Fig. has 132 quadrilaterals?

• Fig.8

• Fig.9

• Fig.10

• Fig.11

• Fig.12

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?

A tank contains water 3/5 of the tank volume.

After Manee poured 8 buckets of full water into the tank, the tank is full of water.

The volume of a bucket is 250 milliliters.

What is the volume of the tank?

• 5,000 liters

• 1,000 liters

• 150 liters

• 10 liters

• 5 liters

Six paper cubes are glues to make steps as shown in the adjoining figure. Every face of each cube that was not applied glue was painted.

How many faces were painted in total?

• 28

• 25

• 21

• 23

• 24

Suppose that the time now is at 10:15 Saturday 9^th of February 2019. What is the time at the next 2019 minutes?

• at 23:15 Saturday 9^th of February

• at 19:54 Sunday 10^th of February

• at 21:15 Sunday 10^th of February

• at 23:33 Sunday 10^th of February

• at 03:14 Monday 11^th of February

The scores of 5 students namely A, B, C, D, and E in the TMC test are stated as follows.

A does not get the highest scores (the first rank).

The score of B is in the rank which is an odd number. The score of C is in the middle rank.

The score of D is almost in the third rank. The score of E is in the second rank.

What the rank is the score of A in?