Numbers - math word problems
Number of problems found: 1462
- Boys and girls
There are 20 boys and 10 girls in the class. How many different dance pairs can we make of them?
- Sum and rounding
I know two numbers whose sum is 20. When they each round and then added together I get the 30. What are this numbers?
- Seven times
Which number seven times is just as higher as 27, how much is smaller than 29?
- Sum of inner angles
Prove that the sum of all inner angles of any convex n-angle equals (n-2) . 180 degrees.
Write the equation of a circle that passes through the point [0,6] and touch the X-axis point [5,0]: ?
There were 24 pimps in the plate. Maros ate 12, his little sister four times less. How many pimps remained in the plate?
- Fill by colour
Write numbers from 0 to 38 on the paper. If the two numbers differ by 2, color them same colour. How many pairs do you colour?
- Dance ensemble
The dance ensemble took the stage in pairs. During dancing, the dancers gradually formed groups of four, six and nine. How many dancers have an ensemble?
Agricultural cooperative (farm) produced 14144 liters of milk for 16 days. Which exceeded the plan by 1984 liters. How many liters of milk a day had planned to produce?
Semicircle estate must be fence. The straight section has 26 meters long fence. How many meters of fence should buy?
Jagdeep had a strip of paper measuring 1.8 m. He cut it into 4 equal strips. How long is each shorter strip of paper?
How many steps of 76 cm circumvent square garden with area 1.8 ha?
- 120 nuts
Divide 120 nuts in a ratio of 4: 6.
- Lcm simple
Find least common multiple of this two numbers: 140 175.
Fill in the examples correctly brackets: A) 7.9+12:3-2 =23 B) 7.9+12:3-2=75
- How many
How many different rectangles with integer page lengths have an area S = 60 cm²?
Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls left when Peter yet put two at dinner?
One of the summands is 145. The second is 10 more. Determine the sum of the summands.
- Large family
I have as many brothers as sisters and each my brother has twice as many sisters as brothers. How many children do parents have?
From wire 53 meters long they cut of 12.1 m and then 13.1 m. How many meters of wire left?