Reason + addition - practice problems - page 2 of 8
Number of problems found: 152
- Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)? - Sum of the seventeen numbers
The sum of the 17 different natural numbers is 154. Determine the sum of the two largest ones. - Identity
123456789 = 100 Correct the given identity/equation only using three plus or minus signs. - Three ints
The sum of three consecutive integers is 2016. What numbers are they? - Crocuses
The garden grows daffodils, crocuses, and roses. 1400 daffodils, crocuses are 462 more, and roses are 156 more than crocuses. How many are all the flowers in the garden? - Probability 81679
What is the probability that a roll of three dice will result in a number less than 7? - Quantities 60183
Determine the remaining quantities in the finite geometric sequence, given: n = 4, an = 12.5, sn = 187.5, a1 = ?, q =? - Eight chairs
There are eight chairs by the table, and one more child sitting on each one. There are two times more girls than boys. How many girls and how many boys can there be? - Buffet
At the school, buffet were 30 children. Twenty-one children bought sandwiches, and 15 children bought lemonade. Four children did not buy anything. How many children bought lemonade and sandwiches? - MATHEMATICS: 46893
Solving the problem, substituting letters with numbers in the word MATHEMATICS: MAT + EMA = TIK - Different 29943
Vojta added five different prime numbers to the top row of the census pyramid. Their sum was 50. What was the biggest number he could get "down"? - Neighboring 5081
Three neighboring hens lay 4 to 6 eggs in two days. How much will they bear in 10 days? How much will they bear in April? - Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - Four operations
How many ways can you add +, -, *, / characters among four tens to always get the number 10? - Big number
How many ones (digits) does the number 12345678910111213141516 ... 4647484950 contain? Did we write all natural numbers from 1 to 50 in a row? - Calculate 82878
Calculate in degrees the size of the acute angle made by the hands of the clock at half past six. - Triceratops 2868
Triceratops was admitted to the enclosure 10 minutes earlier than Stegosaurus but 6 minutes later than Diplodukos. Diplodukos was the first to leave the enclosure 7 minutes before Stegosaurus and 10 minutes before Triceratops. How many minutes were the Tr - The sum AP with rule
Find the sum of all natural numbers between 1 and 100, which are divisible by 2 or 5 - Landlord
The landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now five ducats more?
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