Numbers - examples
- Real estate
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 this three numbers.
Is the number 109433 divisible by 7?
Charlie bought 7 same chocolates for 14 Eur. How many euros he pay for 27 chocolates?
One brick is 2 kg and half a brick heavy. What is the weight of one brick?
I have 12 balls and my friend has 18. About how many has my friend more balls?
Compare fractions ?. Which fraction of the lower?
55 weeks is equal to how many days?
Route is long 203 km and the first day first regiment went at an average speed 20 km/h and journey back 19 km/h. The second day went second regiment same route at an average speed 18 km/h there and back. Which regiment will take route longer?
84 children lined up in groups of three. How many children did not create a trio?
After check of textbooks found that every 8-th textbook should be withdrawn. Together 74 textbooks were withdrawn. How many textbooks were in stock before withdrawn and how many after withdrawn?
- Above 100%
What is 155% of 210?
Trunk diameter is 72 cm. Is it possible to inscribe a square prism with side 54 cm?
Cherries in the bowl can be divided equally among 11 or 16 or 4 children. How many is the minimum cherries in the bowl?
27 students of 6.A class is going to a trip. They pay 7 € each. The teacher got 147 €. How many children have not paid?
How many ways are there to arrange 9 books on a shelf?
Same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 1200 mg of active substance per pack cost 18 Eur. Pack 2: includes 30 pills of 1000 mg of active s
A man drinks a barrel of water for 31 days, woman for 58 days, for how many days they drink barrel together?
Write the smallest and largest 3-digit number.
- One sixth
How many sixth are two thirds?
- Right Δ
Right triangle has length of one leg 7 cm and length of the hypotenuse 25 cm. Calculate the height of the triangle.