Division - 8th grade (13y) - math problems
Number of problems found: 182
- Factory and divisions
The factory consists of three auxiliary divisions total 2,406 employees. The second division has 76 employees less than 1st division and 3rd division has 212 employees more than the 2nd. How many employees has each division?
A is an arbitrary integer that gives remainder 1 in the division with 6. B is an arbitrary integer that gives remainder 2 the division by. What makes remainder in division by 3 product of numbers A x B ?
What is the reciprocal of the sum of the reciprocals of 4 and 9?
- Sum of dividend
If X is divided separately 2.63 and 1.40. And the results of the individual divisions are added to give a result less than X. What is X?
Write smallest three-digit number, which in division 5 and 7 gives the rest 2.
Unfold number 1963 in the ratio 9:2:2.
- Find the 11
Find the quotient of 229.12 and 12.32
Write all the integers x divisible by seven and eight at the same time for which the following applies: 100
- Number ratio
Calculate two positive numbers that its ratio is 6:6 and difference was 0.
- Two numbers
The difference between the two numbers is 74. If we divide a larger number by a smaller one, we get a quotient 7 and the rest of 2. Determine both numbers.
On the platter are plum. How many were there if its have to be able to share equally among 8,10 and 12 children?
Find all divisors of number 493. How many are them?
Convert to arc measures (radians): 924 ° Result write as a multiple of π
- An airplane
An airplane flies 1440 km in 2 1/4 hours. What is its average speed in km per hour?
Lawyer got to pay 840 Euros in banknotes of 20 and 50 Eur. Total got 18 banknotes. How many was which?
- Percent calculation
Calculate 51% if 99% is 79.
Michal, Peter, John and Lenka got together 2,400 euros. They share an amount in ratio 2:6:4:3. How many got each of them?
- Divide 5
Divide 288 in the following ratio 3 : 4 : 5
- 7 digit number
If 3c54d10 is divisible by 330, what is the sum of c and d?
The box contains 8 iron, 6 brass, and 4 titanium screws. What is the probability that the randomly selected screw will not be brass?