# Examples for 6th grade (the sixth graders) - page 34

- Perpetrator

The perpetrator is a number that is smaller than the number 80. It is a multiple of five and it is odd. If we added up the tens and ones of this number we get number 8. - Tank

To cuboid tank whose bottom has dimensions of 9 m and 15 m were flow 1080 hectoliters of water. This was filled 40% of the tank volume. Calculate the depth of the tank. - Wood lumber

Wooden lumber is 4 m long and has a cross section square with side 15 cm. Calculate: a) the volume of lumber b) the weight of the lumber if 1 m^{3}weighs 790 kg - 15 number

What number is smaller (greater) by 15 than its half? - 2d shape

Calculate the content of a shape in which an arbitrary point is not more than 3 cm from the segment AB. The length of the segment AB is 5 cm. - Tank

How many minutes does it take to fill the tank to 25 cubic meters of water filled 150hl per hour? - Sales off

Calculate what was the original price of the good, if the price after discount 25% and the subsequent rise of 20% is 400 USD. - Cube

How many times increases the surface area of a cube with edge 23.4 cm if the length of the edge doubled? - Plot

The plot on which Mr. Kalous is to build a house has the shape of a rectangle. On a 1: 500 scale, its dimensions are 7cm and 5.5cm. Find out the dimensions of the plot. Calculate the parcel size. - The shop

The shop has 3 hectoliters of water. How many liter bottles is it? - Lcm 2

Create the smallest possible number that is divisible by numbers 5,8,9,4,3 - Troops

If the general sorts troops into the crowd by nine left 6. How many soldiers has regiment if we know that they are less than 300? - Log

Worker cut his thick log to 6 pieces for 30 min. How long he cut log to 12 pieces? - Car model

Car model is 52 mm long and the real car is 4524 mm long. What was the scale of model car? - Cube edge

Determine the edges of the cube when the surface is equal to 37.5 cm square. - Football team

Football team has in store black, purple and orange shirts, blue and white shorts and striped and gray socks. How many different outfits players may start? - Water level

To cuoid shaped poll, bottom size 2m and 3.5m; flows water at a rate of 50 liters per minute. How long will take to water reach level 50 cm? - Number

I think the number. If I add to its third seven I get same as when to its quarter add 8. Which is the number? - Sick

Sick Marcel already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack? - Quotient 3

If the quotient of 8/13 and 2 is subtracted from the product of 1 3/4 and 8/21, what is the difference?

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