Examples for secondary school students - page 27 of 212
Number of problems found: 4231
- AVG of INT
What is the average of the integers from 9 thought 52 inclusive? - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - Earth's circumference
Calculate the Earth's circumference of the parallel 48 degrees and 10 minutes. - Meridian
What is the distance (length) of the Earth's meridian 15° when the radius of the Earth is 6370 km? - Secret number
Find the secret number n, which reversed decreases by 16.4 if the number increases by 16.4. - Rectangle Anton
The difference between the length and width of the rectangle is 8. Length is 3-times larger than the width. Calculate the dimensions of the rectangle. - Chords
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones? - A batsman
A batsman scored the following number of runs in seven innings 35,30,45,65,39,20,40. Find the mean, median, and range. - Determine 82975
Determine the sum of all positive odd numbers less than 78 - In 1970
In 1970 the population was 24,000. In 1980 the population was 28,800. By what percent did the population increase? - Determine 80662
Given the function y = x² - 4x + 3. Determine all real numbers z such that g(x) = g(-2). - Simultaneously 80530
The product has a 10% probability of an appearance defect, a 6% probability of a functional deficiency, and a 3% probability of both defects simultaneously. Are the random events A - the product has an appearance defect and B - the product has a functiona - Expression 71224
The operation ♤ is defined by the relation A ♤ B = AB - A - B. What is the value of the expression 5 ♤ (4 ♤ 3) equal to? - Consecutive 69904
The three numbers that make three consecutive members of an arithmetic sequence have a sum of 60 and a product of 7500. Find these numbers. - Decreasing 36183
Prove that the sequence {3 - 4. n} from n = 1 to ∞ is decreasing. - Different 35501
Dana received four new books. How many different orders can she read them? - Probability 17503
We choose four numbers from numbers 1 - 20. What probability will the numbers 6 or 10 be among them? - Possible 16243
There are 30 students in the class, three of whom will be tested. How many ways are possible if their order does not matter? - Backyard 13871
Dogs and geese ran around the backyard. Together they had 12 heads and 30 legs. How many geese ran around the backyard, and how many dogs? - Rabbits 7948
Hens and rabbits, 22 heads and 62 feet, run around the garden. How many?
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