Algebra + reason - practice problems - page 34 of 53
Number of problems found: 1057
- 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. - Athletes
Athletes are standing in rows of eight. Ivan estimated that athletes are more than 120. Peter claimed that there are fewer than 130. Both are right. How many are athletes? - Hens and rabbits
There are a certain number of hens and rabbits in a room. The number of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exceeds the number of the heads of the rabbits by 28. Then the number of hens a - Arithmetic 81808
An increasing arithmetic sequence has an odd number of terms. The middle term is 302. If we remove the 4 largest terms from the sequence, the middle term will be 296. Determine the difference in the sequence.
- Birthdays 9011
Three sisters have birthdays today, and their ages are in the ratio of 2:3:4. In two years, their ages will be in the ratio of 5:7:9. Find what their ages will be in four years. - Animals 4776
There are five animals in the yard. There are only goats and geese. They have a total of 14 legs. How many geese and how many goats are in the yard? - Sunbathed 2861
There were more than 40 and less than 80 children by the pond. A fifth of the children took a bath, and a seventh sunbathed. How many children were at the pond? - Digits
If x, y and z are three consecutive nonzero digits, zyx-xyz = 198, where zyx and xyz are three-digit numbers created from x, y, and z. - Odd numbers
The sum of four consecutive odd numbers is 1048. Find those numbers.
- Students
The class has 22 students. 2 of which have assessments of 2. The count of assessment of 1 is three times more than the count of students with an assessment of 3. How many students have an assessment of 1, and how many students have an assessment of 1? - Performance_ 82318
The dance troupe has 24 members. How many equal-sized groups of dancers can he divide into during a performance_ - Multiplied 82243
Zuzka divided 52 by 2 8 times and multiplied by 2 6 times. What number did she get? - Numbers 13691
Write the number 126 as the sum of three numbers, which ratio is 2: 5: 7 - Equation 6738
Solve the given equation in the set N: 1 - x + x² - x³ + x4 - x5 +…. + = 1/3
- According 5963
The numbers are arranged according to a specific logical order. What number should be in the blank a, b? 3, 7, 15, a, 63, 127, b - When 5
When five is subtracted from both my numerator and denominator, I become 3/4. What fraction am I? - Three-digit numbers
How many three-digit numbers are not closer to 600 on the number axis than 400? - Together
The three friends divided the balls in a ratio of 6:5:4. Some two got 126 balls. How many balls were there together? - Toy store
In the toy department of the store were exposed 28 dolls. Nineteen dolls were blondes or could speak. Twelve dolls were blondes, and 14 could speak. How many blondes could speak in the toy department? How many blondes could not speak?
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