Examples for secondary school students - page 138 of 237
Number of problems found: 4730
- Imagine
Imagine that a unit of air at a temperature of 25 °C rises a mountain range 3,000 meters high on the windward side and descends to 1,200 meters on the leeward side, assuming that the air will remain dry. What will its temperature be when it crosses the to - Team player distribution
There are 103 players. Team A has three players less than B, team C has two more than D, and team D has the same number as B. How many players does each team have? - Fruit tea
Tea contains 7% of fruit components and 12% of sugar in this component. How many percent of sugar is represented in the whole tea? - Line division pieces
Divide the line MN (/ MN / = 9 cm) into 11 equal pieces - Barrel with water
The water barrel weighs 52 kg. When we pour a quarter of the water, the barrel’s weight is reduced to 40 kg. Determine the weight of the empty barrel. - Triangle Side Lengths Ratio
Triangle with o = 16.8 cm and aspect ratio a:c = 1:2 and b:c = 5:6. Calculate side lengths a =? B =? c =? - Air thermal
Imagine that a unit of air rises 3000 meters high. If the temperature decreases 6 degrees Celcius for every 1000 meters, what will be its temperature at 1400 meters, 2000 meters, 2500 meters, and when it reaches the 3000-meter elevation? The starting temp - Integer
Find the integer whose distance on the numerical axis from number 1 is two times smaller than the distance from number 6. - Eq with reciprocal
Solve the given equation with a reciprocal member: a-6/a+10=4/8 - Mumbai
A job placement agency in Mumbai had to send ten students to five companies, two to each. Two of the companies are in Mumbai, and others are outside. Two students prefer to work in Mumbai, while three prefer to work outside. How many ways can assignments - A perineum
A perineum string is 10% shorter than its original string. The first string is 24. What is the 9th string or term? - Nineteenth member
Find the nineteenth member of the arithmetic sequence: a1=33 d=5 find a19 - Diofant equation
250x + 120y = 5640 - Deviation of the lines
Find the deviation of the lines AG BH in the ABCDEFGH box-cuboid if given | AB | = 3 cm, | AD | = 2 cm, | AE | = 4 cm - Pyramid cut
We cut the regular square pyramid with a parallel plane to the two parts (see figure). The volume of the smaller pyramid is 20% of the volume of the original one. The bottom of the base of the smaller pyramid has an area of 10 cm². Find the area of the or - Peroxide
How many ml of 30% hydrogen peroxide (H2O2) should we add to 100 ml of water (H2O) to obtain a 20% solution? - GP members The geometric sequence has ten members. The last two members are 2 and -1. Which member is -1/16?
- Cuboid walls
Suppose the areas of three adjacent faces of a cuboid are 8 cm², 18 cm², and 25 cm². Find the volume of the cuboid. - Decagon
Calculate the area and circumference of the regular decagon when its radius of a circle circumscribing is R = 1 m - Nonagon
Calculate the area and perimeter of a regular nonagon if its radius of the inscribed circle is r = 10 cm.
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