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Question bank VTMO 2020

Exam papers

151 questions

Question 1

How many centimeters long is the pencil?

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  1. $12 \,\mathrm{cm}$
  2. $13 \,\mathrm{cm}$
  3. $10 \,\mathrm{cm}$
  4. $9 \,\mathrm{cm}$
  5. $11 \,\mathrm{cm}$

Question 2

How many digits does $4\times5\times10\times15\times20\times25$ have?
  1. $4$
  2. $5$
  3. $6$
  4. $7$
  5. $8$

Question 3

The chart shows Grade $3$ pupils’ favorite travel destinations, with each choosing one. Da Nang is preferred by $24$ more pupils than Hai Phong. How many pupils took part?

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  1. $112$
  2. $168$
  3. $116$
  4. $120$
  5. $336$

Question 4

Viet and Nam have $50$ cards in total. After exchanging cards, Viet has $4$ more than Nam. How many does Viet now have?
  1. $23$
  2. $25$
  3. $27$
  4. $29$
  5. $30$

Question 5

At the start and end of his lunch break, Hai sees the classroom clock in a mirror as shown. How long is his break?

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  1. $3$ hours $20$ minutes
  2. $3$ hours $15$ minutes
  3. $2$ hours $20$ minutes
  4. $4$ hours $15$ minutes
  5. $3$ hours $5$ minutes

Question 6

Tom writes $11 , 22 , 33 , 44 , 55 , 66 , 77 , 88$. Jerry rounds each to the nearest ten, and Donald adds the rounded numbers. What is the result?
  1. $410$
  2. $380$
  3. $390$
  4. $396$
  5. $400$

Question 7

Hai thinks of three distinct two-digit natural numbers, each divisible by $2 , 3$ and $5$. What is their sum?
  1. $50$
  2. $30$
  3. $90$
  4. $180$
  5. $210$

Question 8

The figure is made of squares of side $3 \,\mathrm{cm}$. Find its perimeter.

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  1. $20 \,\mathrm{cm}$
  2. $21 \,\mathrm{cm}$
  3. $60 \,\mathrm{cm}$
  4. $63 \,\mathrm{cm}$
  5. $99 \,\mathrm{cm}$

Question 9

Which cube can be folded from the net below?

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  1. Cube $A$
  2. Cube $B$
  3. Cube $C$
  4. Cube $D$
  5. Cube $E$

Question 10

Class $3 A$ has $28$ pupils. A football/basketball survey has some absentees. Every participant likes at least one sport; $10$ like basketball, $20$ football, and $4$ both. How many are absent?
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$

Question 11

Following the pattern, how many matchsticks does picture $4$ need?

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Question 12

A mason moves $87$ bricks upstairs. Each trip carries an odd number of bricks less than $19$. What is the minimum number of trips?

Question 13

At Nhi’s birthday party, her mother plans to divide candies equally among Nhi and eleven friends. If one friend does not come, each person receives one extra candy. How many candies were prepared?

Question 14

Dates use day/month/year, for example $\frac{\frac{12}{01}}{2020}$. A date is “super even” if its day, month and year numbers are all even, such as $\frac{\frac{14}{02}}{2020}$ or $\frac{\frac{20}{10}}{2020}$. How many occur in $2020$?

Question 15

Select the water reflection of the picture below. The choices are labeled $001 \text{--} 005$.

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Question 16

Minh uses matchsticks to form digits as shown. With at most six sticks, how many two-digit numbers can he form? He need not use all six.

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Question 17

Replace different letters with different digits to maximize $VIETNAM + TITAN + MATH$. Find $T+I+T+A+N$.

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Question 18

In a grouping game, the first round forms groups of one boy and one girl with nobody left out. The second forms groups of one boy and two girls, leaving four boys out. How many students take part?

Question 19

Nam multiplies a natural number A by $2020$, but mistakenly uses $220$, making the result $37800$ less than correct. Find $A$.

Question 20

In a detective game, the teacher’s number satisfies these answers: “Even?”—false; “Two-digit and less than $59$?”—true; “Contains none of $1 , 2 , 3$?”—true; “Divisible by $7$?”—true. What is the number?

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