Algebra + reason - practice problems - page 33 of 53
Number of problems found: 1054
- Eggs
3400 eggs sliced hens for February and March. We must calculate how many hens can make 3400 eggs when one hen gives two eggs a day for 59 days. - Hello adding
Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1 - 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. - Plums
In the bag was to total 136 plums. Igor took 3 plums, and Mary took 4/7 from the rest. How many plums remained in the bag?
- Children
Less than 20 children played various games in the yard. They can create pairs, trios, and quartets. How many children were in the yard when Annie came to them? - ZOO
In the zoo were elephants, as many as ostriches. Monkeys were four times more than elephants. Monkeys were as many as flamingos. Wolves were five times less than flamingos. How many of these animals were together? We know that there were four wolves. - Including 71274
We used 1533 digits to number the rough book. How many pages does this book have if each page, including page 1, is numbered? - Three-digit 4791
How many three-digit numbers divisible by four can we create from the numbers 1, 2; 3; and five if we cannot repeat the digits in the number? - In the
In the arithmetic sequence, a1 = 4.8, d = 0.4. How many consecutive members, starting with the first, need to be added so that the sum is greater than 170?
- Real estate
The residential house has three entrances numbered by odd numbers arithmetic progression. The sum of the two numbers on the corner entrances is 50. Calculate the highest of these three numbers. - Cinema
How many rows of seats are in the stands if you know that the first row has 24 seats and the last 50 seats, and each subsequent row has two more seats than the row before? How many seats are in the stands? - Following: 80476
In the number 123 456 789, omit the following: a) one digit to create the largest possible number divisible by 3 b) one digit to create the largest possible number divisible by 9 - Darina 5340
If Zina gives Darina one apple, then both girls will have the same. How many more apples does Zina have now than Darina? - Multiply 3766
Peter had a number in mind and said: When I divide this unknown number by the square root of 27 and then multiply by three, I get an unknown number. What number did Peter think?
- Boys and girls 8
In a class of 35 boys and girls with a ratio of 2:5. 5 boys are absent, and five boys are present. How many students are present? - Pagans
Jano and Michael ate pagans. Jano ate three more than Michael. The product of their counts (numbers) is 180. How many pagans did each of them eat? - 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
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