Numbers - math word problems
Number of problems found: 1462
From the equation of a circle: ? Calculate the coordinates of the center of the circle S[x0, y0] and radius of the circle r.
- Hens and pigs
Hens and pigs have 46 feet in total. At least how much can heads have?
- Divide 5
Divide 288 in the following ratio 3 : 4 : 5
- Graduation party
There are 15 boys and 12 girls at the graduation party. Determine how many four couples can be selected.
Nicol mistake when calculate in school. Instead of add number 20 subtract it. What is the difference between the result and the right result?
- Big number
hat is the remainder when dividing number 10 to 47 - 111 by number 9?
- Sum of three numbers
The sum of three numbers from which second number is 20% smaller than the first number and the third number is 25% smaller than the second number is 96. Determine this numbers.
- Closest natural number
Find the closest natural number to 4.456 to 44.56 and 445.6.
Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple)
- Let z1=x1+y1i
Let z1=x1+y1i and z2=x2+y2i Find: a = Im (z1z2) b = Re (z1/z2)
- Probably member
Look at the series 2,6,25,96,285, ? What number should come next?
Product has been discounted twice by 19%. What is the total discount given?
- Digit sum
Determine for how many integers greater than 900 and less than 1,001 has digit sum digit of the digit sum number 1.
If an airplane flies 776 km/h for 7.4 h, how far does it travel?
Zhiwei wants to divide 19 liters of water equally into 6 pots. Find the volume of water in each pot?
- Product of the sum and difference
Calculate the product of the sum and difference of numbers -7 and -2.
- Four-digit number
Find also a four-digit number, which quadrupled written backwards is the same number.
- The sum
The sum of the first 10 members of the arithmetic sequence is 120. What will be the sum if the difference is reduced by 2?
- Ten persons
Ten persons, each person makes a hand to each person. How many hands were given?
Calculate the thickness of the page of the collection of examples from mathematics, where 4.87 cm thick and has 451 pages.