An’s family, consisting of 5 members, is going to an amusement park. The ticket price for adults (height over 1.3 meters) is 150,000 VND per ticket, and the ticket price for children (height under 1.3 meters) is 100,000 VND per ticket. The heights of An’s family members are as follows: Father (1.8 m), Mother (1.65 m), An (1.4 m), Binh (1.2 m), and Mai (1.1 m). How much money in total does An’s family need to pay for the tickets?
The supplied key prints correct-answer weights of 4 and 6 points. Wrong-answer and blank-answer scoring are not stated; no penalties or blank credit are inferred.
Van and Tu work part-time during the summer. Each day, Van works for 4 hours and Tu works for 6 hours. Together, they earn a total of 500,000 VND in one day. It is known that both of them earn the same amount of money per hour. How much money does each of them earn in one day?
In a long queue to enter the museum, An is standing 15th from the front. Binh is standing 20th from the end of the line. It is known that there are 5 people between An and Binh, and An is ahead of Binh in the line. How many people are there in total in the line?
Mr. Minh saws a piece of wood into 5 equal parts in 12 minutes. If Mr. Minh saws 3 similar pieces of wood, cutting each piece into 8 equal parts, how many minutes will it take him in total? (Knowing that the time for each cut is the same.)
In a box, there are 12 marbles, consisting of: 5 red marbles, 3 blue marbles, 2 yellow marbles, and 2 green marbles. An, with his eyes closed, randomly picks one marble at a time. How many marbles does An need to pick to be certain of getting at least one red marble?
Minh makes the frame of a kite by joining two squares together (as shown in the figure). Square ABCD has a side length of 6 dm, and square MNPQ has a side length of 8 dm. On the body of the kite, Minh decorates the shape AEPG with a different color. Calculate the area of shape AEPG.
Look at the picture below. The right side has been erased. Find the missing part to complete a perfectly symmetrical figure across the vertical axis (the red line). Which circles need to be on the right side to create the symmetrical figure?
Mr. Nam, the director of a company in Hanoi (Vietnam, time zone GMT+7), has a business trip to London (UK, time zone GMT+0). His schedule is as follows: The flight departs from Noi Bai Airport, Hanoi at 6:00 a.m. on Monday (Hanoi time). The total flight duration is 14 hours. Mr. Nam has an important meeting in London at 10:00 a.m. on Tuesday (London time). At what time does Mr. Nam’s meeting start in London time?
Mr. Ba has a piece of land (as shown in the figure). The rectangular part of the land is used for planting trees, while the semicircular part is used as a water reservoir for irrigation. It is known that the perimeter of the rectangular planting area is 84 meters, and its width is half of its length. The diameter of the water reservoir is equal to the width of the planting area. The total area of Mr. Ba’s piece of land is:
The line graph below shows the temperatures measured at different times during the day. What is the average temperature for that day, rounded to the nearest whole number (degree Celsius)?
Hoang, Nam, Mai, and Dung are participating in a competition. They make the following statements: Hoang says: “Nam did not come last.” Nam says: “Mai scored higher than Dung.” Mai says: “Dung’s score is 10 points lower than Hoang’s.” Dung says: “Nam came first.” If only one person is lying, who is the one lying?
A test consists of 20 questions. Each correct answer earns 10 points, and each incorrect answer loses 5 points. A student takes the test and gets a total score of 140. Calculate how many questions the student answered correctly and how many questions the student answered incorrectly.
Mai deposits 5 million VND into a bank account with a monthly simple interest rate of 0.6%. After one year, Mai withdraws both the principal and interest to buy an electric bicycle priced at 5,600,000 VND. Does Mai have enough money, or how much more or less does she have?
A book set costs 324,000 VND. During a holiday sale, there is a 25% discount. If Ha has 250,000 VND, does she have enough money to buy the book set? If not, how much more does she need?
Nam has 4 cards with different shapes: a square, a circle, a triangle, and a rhombus. The cards are kept in identical bags. If in each turn Nam selects 2 bags, what is the probability of getting the square card and the circle card in one turn?
A bag of candies contains 5 red candies, 4 green candies, and 6 yellow candies. What is the minimum number of candies one must pick (without looking) to be certain of getting at least 3 candies of the same color?
Two ships depart from ports A and B, which are 96 km apart. One ship travels from A at a speed of 12 km/h, and the other travels from B at a speed of 18 km/h. How long will it take for the two ships to meet?
