Grade - examples - page 137
- The shop
The shop has 3 hectoliters of water. How many liter bottles is it?
- Theatro
Theatrical performance was attended by 480 spectators. Women were in the audience 40 more than men and children 60 less than half of adult spectators. How many men, women and children attended a theater performance?
- Lcm 2
Create the smallest possible number that is divisible by numbers 5,8,9,4,3
- Digits
How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10 and if digits can be repeated.
- 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?
- Nightingale
Nightingale sang five seconds for 5 hours and 5 minutes. How many seconds were missing to sing 10 hours?
- Log
Worker cut his thick log to 6 pieces for 30 min. How long he cut log to 12 pieces?
- Straight lines
Draw two lines c, d so that c || d. On line c mark points A, B, from point A start perpendicular to line c, from point B perpendicular to line c.
- Potatoes
Daniela and Michael would jointly dug potatoes for 7.5 hours. But if Daniela was working alone she would take 2.5 hours more as if he were working with Michael. Determine how much for the work done by Michael himself and how much Daniela herself.
- Addends
Number 118 divide into two addends, so first addend is 69 greater than 75% of the second addend.
- Car model
Car model is 52 mm long and the real car is 4524 mm long. What was the scale of model car?
- Car parking
The car park has 45 motorcycles and 25 cars. 14 cars went away and 2 arrived, then departs 12 motorcycles and 2 arrive. How many motorbikes and cars there are now?
- Cube edge
Determine the edges of the cube when the surface is equal to 37.5 cm square.
- Z7-I-4 stars 4949
Write instead of stars digits so the next write of product of the two numbers to be valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗
- Sequence
Find the common ratio of the sequence -3, -1.5, -0.75, -0.375, -0.1875. Ratio write as decimal number rounded to tenth.
- Megapascals
What is the area of crosssection of the piston, if the force of 300 kN produces a pressure of 5 MPa?
- 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?
- Assistant
Assistant rewrote 15% of the entire manuscript in 12 hours. How many hours must still write to rewrite the rest of the manuscript?
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?
- Trams
Two trams started at the same time from the same place. One tram journey takes 30 minutes and the second 45 minutes to its final stop. How long will trams meet again?
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