Maths practice for 14 year olds - page 131 of 370
Number of problems found: 7384
- Megapizza
Mega pizza will be divided among 100 people. First gets 1%, 2nd 2% of the remainder, 3rd 3% of the remainder, etc. Last 100th 100% of the remainder. Which person got the biggest portion? - Cross-section 42981
Is it possible to cut a beam with a square cross-section with a side length of 30 cm from a log with a diameter of 42 cm? Write the answer as follows: yes, because. ... no, because... - Long hot dog
In Kostelec above Black Forest, they made a record-long hot dog. When he slowly moved it to the square, one of the spectators decided to measure its length: the size of his footprint was 28 cm; he measured 20 feet in the travel direction and counted 5 fee - Fish population
The number of fish in a lake decreased by 10% during one year. Last year, 500 fish were found in the lake. What is the fish population this year? - Online purchase
A ticket for a school performance costs 95 euros. If the ticket is purchased online, there is a discount of 4%. What is the total price of a ticket purchased online? - In the 14
In the survey, the barangay had a certain number of families, and 60% of them identified as belonging to the marginalized sector's poor if the total families were 150. How many families belong to the poor sector? - Multiplier
What is the decimal multiplier to increase by 6.1%? - Crimson Lynx
Captain Emily has a ship, the H. M. S Crimson Lynx. The ship is five furlongs from the dread pirate Umaima and her merciless band of thieves. If her ship hasn't already been hit, Captain Emily has a probability of 3/5 of hitting the pirate ship. If her sh - Moment 42661
The crane arm is 3 m long, and a force of 600 N acts here. Find the moment of force. - Two cars
Two cars, spaced d1 = 500 m apart, start moving against each other at time t1 = 0, the first car with acceleration a1 = 4 m/s² and the second with acceleration a2 = 6 m/s². At what time t2 do they meet? What distances s1 and s2 will move from the start to - Potential 42561
The elevator cabin weighing 720 kg goes from the ground floor to the top floor of the building, at 125 m. How much potential energy does the elevator cabin have on the top floor of the building - at the height of 125 m? - Two solutions
What strong solution is created by mixing 3 liters of 30% solution and 2 liters of 70% solution? - Harry
Harry Thomson bought a large land in the shape of a rectangle with a circumference of 90 meters. He divided it into three rectangular plots. The shorter side has all three plots of equal length. Their longer sides are three consecutive natural numbers. Fi - Block-shaped 42481
A block-shaped pool that is 25 m long, 12 m wide, and 180 cm deep is to be filled with draft so that the water level is 20 cm below the edge. How long will it take to fill the pool if we use 2 pumps, each with a "power" of 125 l/min? - Circumference 42471
The lengths of the sides of the triangle ABC are in the ratio 4:2:5. Calculate the size of the longest side of a similar KLM triangle, whose circumference is 66 cm. - Different 42371
How many ways can you store seven different books side-by-side when a math book has to be on the edge of the shelf? - Social Security Administration
In January 2012, the Social Security Administration increased benefits to its recipients for the first time since 2009. Before the increase, James received $1200/month. After the increase, he received $1243.20/month. Find the percent increase in Social Se - Numbers 42291
How many five-digit odd numbers exist? - Class enrollment
A grade 6 class went on a field trip only 98% or 49 pupils joined the activity. What was the class enrollment? - Email hoard
Kendrick received 24 fewer e-mails on Friday than he did on Thursday. If he received a total of 126 e-mails on those two days, how many did he get each day?
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