Students
In the front row sit three students, and in every other row sit 11 students, more than in the previous row. Determine how many students are in the room when the room is nine lines, and determine how many students are in the seventh row.
Correct answer:
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Chairs
Determine the number of seats in the seventh and ninth rows if the 3rd row has 14 seats and every next row has five more than the previous row. - How many 31
How many ways can a teacher select a group of 3 students to sit in the front row if the class has 13 students? - Sit-ups
Vojta strengthens for eight weeks. In the first week, he did five sit-ups a day. He did one more per day every week than in the previous week. How many sit-ups has Vojta made? - Student examination
How many ways can a teacher select a group of 6 students to sit in the front row if the class has 13 students?
- Row for lunch
There are less than 66 people in a row for lunch. In front of Eva, there are 28 students. Behind Martin, there are 30 people. Between Eva and Martin, there are 17 people. How many students stand behind Eva if Martin stands in front of Eva? - Roof
Tiles are stacked in rows on the trapezoidal-shaped roof. At the ridge are 15 tiles, and each subsequent row has one more tile than the previous row. How many tiles are covered the roof if the lowermost row has 37 tiles? - Chocholate pyramid
How many chocolates are on the third shelf when on the 8th shelf are 41 chocolates on any other shelf? Are seven chocolates more than the previous shelf? - Spectators 82430
In a circus, in one sector for spectators, the seats are arranged in such a way that in each higher row, there is one more seat than in the previous one. How many seats are there in a sector with 22 rows if there are 8 seats in the first row? - Subsequent 3427
Find how many strings there are in the first row if there are 44 strings in the eighth row, and in each subsequent row, there are five more strings than in the previous row.
- Subsequent 3056
There are 48 pupils in the third row and 17 more in each subsequent row than in the previous one. Find how many pupils there are in the first and tenth rows. - Subsequent 82511
The theater has 20 rows of seats on the ground floor. There are 16 seats in the first row, and each subsequent row has two more seats than the previous one. Find the number of seats on the ground floor of the theater. - Handmade baskets
The worker knits the baskets, which are then sold in the market. He made seven baskets on Monday, one more each day than the previous day. How many times more baskets did he make untill the following Monday evening compared to the first day when he did no - Table and chairs
Four people should sit at a table in front of a row of 7 chairs. What is the probability that there will be no empty chair between them if people choose their place entirely randomly? - Bus
At the bus stop boarded 6 people into the bus and on each other bus stop one man more than the previous one. On E station never boarded. Stops are A, B, C, D, E. Calculate the number of people on the bus after leaving station E.
- According 7038
When students are ranked according to height, Katka is 12th Front and 17th Back. How many children are in the class? - Following 6367
Uncle Rudolf weaves baskets, which he then sells in the market. On Monday, he knitted 7 baskets; he worked one more every other day than the previous day. How many times more baskets did he knit by the following Monday dinner, compared to the first day, i - Students 81563
Sixth, seventh, and eighth graders took part in the school trip. Sixth graders were 5 more than seventh graders, and eighth graders were 3 less than sixth graders. How many sixth graders were on the trip if there were 73 students in total?