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VTMO 2016 — Grade 2 — final

Question 1

Calculate $\left(23 + 24 + 25 + 26\right) - \left(13 + 14 + 15 + 16\right)$.
  1. $20$
  2. $25$
  3. $27$
  4. $30$
  5. $40$

Question 2

Hai chooses a number between $15$ and $30$, adds $57$, subtracts $37$, then subtracts his original number. What remains?
  1. $15$
  2. $20$
  3. $45$
  4. $60$
  5. $94$

Question 3

Three siblings’ ages total $28$. In how many years will the total be $40$?
  1. $6$
  2. $12$
  3. $3$
  4. $4$
  5. $5$

Question 4

A month has five Sundays, with neither first nor last day Sunday. What weekday is the $20$ th?
  1. Wednesday
  2. Thursday
  3. Friday
  4. Saturday
  5. Sunday

Question 5

Arrange cards $P = 08 , Q = 5 , R = 19$ to form the greatest natural number.

Question illustration
  1. $PQR$
  2. $QPR$
  3. $QRP$
  4. $RPQ$
  5. $RQP$

Question 6

Dan returns at $17 : 30$, rests $15$ minutes, bathes $30$, eats $40$, then studies. When does study begin?
  1. $17 : 55$
  2. $18 : 55$
  3. $19 : 05$
  4. $18 : 15$
  5. $18 : 35$

Question 7

One pencil costs $3000$ dong, two $5000$, five $9000$. What is the greatest number Pi can buy with $44000$?

Question illustration
  1. $20$
  2. $21$
  3. $22$
  4. $23$
  5. $24$

Question 8

How many three-digit numbers have digit sum $5$?
  1. $10$
  2. $15$
  3. $16$
  4. $11$
  5. $12$

Question 9

$A = 50$-seat bus starts with $14$ passengers and boards $1 , 2 , 3 , \ldots$ at successive stops, with nobody leaving. At which stop is it full?
  1. $6$
  2. $7$
  3. $8$
  4. $9$
  5. $10$

Question 10

Which net cannot fold into a cube?

Question illustration
  1. Net $A$
  2. Net $B$
  3. Net $C$
  4. Net $D$
  5. Net $E$

Question 11

Today is Sunday. What weekday is $18$ days later?

Question 12

Fourteen collect stamps, sixteen postcards, three both, and six neither. How many in the group?

Question 13

A beaver takes two minutes to cut a log into two pieces. How long to make seven pieces?

Question 14

Two days before yesterday was Thursday. What weekday is tomorrow?

Question 15

Tom writes $5 , 6 , 7 , 8 , 9 , 10$; Jerry writes $2 , 3 , 4 , 5 , 6$. Add one number from each. How many distinct results occur?

Question 16

$CAR + CAR = ART$ with distinct letter digits. $T = 0$ and A odd. Find $C$.

Question illustration

Question 17

Move six pencils from box $1$ to $2$, four from $2$ to $3$, and two from $3$ to $1$. Each finally has ten. How many were originally in box $1$?

Question 18

Equally spaced pupils stand in a circle and are numbered clockwise. Minh, number $6$, faces number $14$. How many pupils are there?

Question 19

Fifty cakes fill small boxes of four and large boxes of six. Fewer than ten boxes are used. How many are large?

Question 20

Stack yellow, green, red, purple boxes bottom to top: bottom is not yellow; green is not between purple and red; purple is between yellow and green; red is above yellow. What is the order?