Maths practice for 14 year olds - page 287 of 319
Number of problems found: 6373
- School
The school attends 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)? - Remainder 1634
The work crew will excavate 1/4 of the channel on the 1st day, and 1/2 of the remainder on the 2nd day. Third day 1/3 of what she dug the second day. What part of the canal in km still needs to be dug after the third day, if the length of the canal is 72 - Unknown number 5
I think of an unknown number. If we enlarge it five times, then subtract 3, and the result decreases by 75%, we get one greater than the number. What number am I thinking? - Difference 1628
If I add the ratio, the product, the difference, and the sum of the unknown number and the number 2, I get the number 72. What is this unknown number?
- Candy
Peter had a sachet of candy. He wanted to share it with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss eight candies. How many friends did Peter have? - Bakery and flour
The baker filled the bakery tray with flour to 3/4 volume. After removing 875 kg of flour, he filled it to only 2/5 of the volume. How many tons of flour is in the full tray? - Stamps and albums
Michail has stored 170 stamps in three albums. In the first album, there are 14 more than in the second, and in the second, there are 1/5 less than in the third. How many stamps are in the first album? - Piano
If Suzan practices 10 minutes on Monday, every other day, she wants to practice two times as much as the previous day. How many hours and minutes will she have to practice on Friday? - Sales stores
The first sales store passed the 1/3 and the second 2/5 of the total amount of goods. In the third store passed the 2/3 rest of the goods. The remaining 40 kg of goods put into fourth store. How many kilograms of goods pass to a third store?
- Mr Novak
Mr. Novak earns an average 927 euros. When increasing the salary, they gave him a choice: ... What is a better choice for Mr. Novak? - Rope slack
Between two streets, 20 m away, give the lamp in the middle and hang 60 cm below the taut rope. Can it be done with a 20.5 meters rope? - Classroom
There are eighty more girls in the class than boys. Boys are 40 percent, and girls are 60 percent. How many are boys and how many girls? - Series
Andrew wrote this series of numbers: 1,3,7,15, ...., n. Which number in the series does not belong? ... - Triangle angles
In a triangle, ABC, the interior angle at vertex C is twice the internal angle at point A. The outer angle at point B measured 117 degrees. How big is the external angle at vertex A?
- Supplementary angles
One of the supplementary angles is three times larger than the other. What size is larger of supplementary angles? - Angles ratio
In an ABC triangle, is true relationship c is less than b, and b is less than a. Internal angles of the triangle are in the ratio 5:4:9. The size of the internal angle beta is: - The chord
A chord passing through its center is the side of the triangle inscribed in a circle. What size are a triangle's internal angles if one is 40°? - Manager gold
I paid 40% of my salary for gold dental floss, that is, twice as much as for fine catering. Hawaiian shirts cost me 1/6 and 10 percent of my salary went to jet fuel. I still have 400 euros left for coffee. How much did I earn as a manager? - Invitations
For every 5 minutes, writes Dana had ten invitations, while Anna had 14 invitations. How long will write together 120 invitations?
Mr. Novak fills the garden pool (cylinder; diameter of 200 cm) with 31.4 hl of water. What is the depth of the pool when the water level is 10 cm below the upper edge of the pool?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
