Reason - practice problems - page 4 of 98
Number of problems found: 1955
- Bus 2
At the 6th bus stop, 44 passengers take off from the bus. Overall, at the 6th stop, 13 passengers were added. How many passengers take on the 6th stop? - Four-digit 82023
How many four-digit numbers are there in which there are at least three eights - Probability 81678
What is the probability of guessing a PIN code (4 numbers) if it contains only even numbers? - Probability 81446
What is the probability that each digit is different in a five-digit number? - Conditional 73664
I roll a 7-wall dice. What is the conditional probability that three fell if an odd number fell? - Probability 73054
We roll six dice. What is the probability that: a) a six falls twice b) six falls four times - Determine 69304
Determine the size of the ACF angle in the regular ABCDEF hexagon. - Everyone 63334
There are three times more children in the gym than adults. The average age of adults is 44 years. What is the average age of children if the total average age of everyone in the gym is 20? - Center-symmetric 58201
Find out which we can write letters (uppercase) as center-symmetric. - Signs 40171
Fill in the signs to apply 5 5 5 5 5 = 14 - Increase 25741
I think the number. I'll increase it by 2/5. I'll get 63. What number did I think? - Equation 19683
Fill in the signs so that equation 3 2 3 4 = 3 applies. - Two-thirds 11271
Two-thirds of boys are in sports school. How many boys are there in school if there are 212 girls? - Isosceles 5856
How many isosceles triangles form in a square when we mark all diagonals? - Mom and daughter
Mom is 30 years older than the daughter. What is the age difference between them in 35 years? - Four-digit number
Find all four-digit abcd numbers with a digit sum of 12 such that ab-cd = 1 - Ten boys
Ten boys chose to go to the supermarket. Six boys bought gum, and nine boys bought a lollipop. How many boys bought gum and a lollipop? - Classmates
Roman is ranked 12th highest and eleventh lowest pupil. How many classmates does Roman have? - Snacks
The school attends 344 pupils. Half of them take snacks. 13 pupils who took snacks did not attend school. How many snacks are left? - Have solution
The sum of four consecutive even numbers is 92. Determine these numbers.
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