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WorksheetsСпунки самый легкий тест в мире
Total questions: 16
Worksheet time: 8mins
Solve the equation: 3x^2 - 12x + 9 = 0.
x = 0
x = 4
x = 1, x = 3
x = 2
If a + b = 10 and ab = 21, find a and b.
a = 6, b = 4
a = 8, b = 2
a = 5, b = 5
a = 7, b = 3
Determine the roots of the equation: x^3 - 6x^2 + 11x - 6 = 0.
1, 2, 3
2, 3, 4
-1, 1, 2
0, 4, 5
If log(x) + log(x-2) = 1, find x.
2 + sqrt(5)
3
1 - sqrt(11)
1 + sqrt(11)
A box contains 5 red and 7 blue balls. What is the probability of drawing 2 red balls without replacement?
5/33
3/22
2/13
1/11
In a class of 30 students, 18 like math, 15 like physics, and 10 like both. How many students like only math?
12
10
8
5
If the sum of the first n natural numbers is 210, what is n?
20
15
25
30
A committee of 4 is to be formed from 10 people. How many different committees can be formed?
210
180
150
300
If the average of five numbers is 20, what is the sum of those numbers?
80
100
120
60
A train leaves a station and travels at 60 km/h. Another train leaves the same station 30 minutes later at 90 km/h. When will the second train catch up?
1 hour after the second train departs
30 minutes after the first train departs
2 hours after the second train departs
1 hour before the second train departs
If a statement is true, then its negation is false. What is the negation of 'It is raining'?
It is snowing
It is cloudy
It is sunny
It is not raining
In a logic puzzle, if A is true, then B is false. If B is true, what can we conclude about A?
A is false.
A is unknown.
A is true.
A is both true and false.
A survey shows that 70% of people prefer coffee over tea. If 200 people were surveyed, how many prefer tea?
60
80
100
40
If a coin is flipped three times, what is the probability of getting exactly two heads?
0.625
0.25
0.375
0.5
In a group of 50 people, 30 like chocolate, 20 like vanilla, and 10 like both. How many like only chocolate?
20
30
10
15
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