n! test
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Mitsu Mădălina
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Care este probabilitatea ca, alegând un numär k din (0, 1, 2, ...7) numărul C să fie prim?
0,5
0,8
1
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Să se determine probabilitatea ca, alegând un număr din mulţimea numerelor naturale de 3 cifre, acesta să aibă toate cifrele pare.
5/36
7/1
6/36
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Să se determine probabilitatea ca, alegând un element n din mulţimea (1, 2, 3, ......, 40),numărul 2 ^ (n + 2) * 6 ^ n să fie pătrat perfect.
1/2
3/4
Cartof
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Så se determine probabilitatea ca, alegând un număr din multimea (10, 11, 12, 40), suma cifrelor lui să fie divizibilă cu 3.
9/31
10000
7/8
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Să se determine numărul funcțiilor f\{0, 1, 2, 3\} -> \{0, 1, 2, 3\} care au proprietatea f(0) =f(1) = 2
4×4=16 funcții
2×2=4 funcții
💋
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Să se determine numărul funcțiilor f: [0, 1,2,3)→ (0, 1, 2, 3} care au proprietatea că f(0) este impar
16:2x4x4x4=128 funcţii unde f(0)=impar
2x4x4x4=128 funcţii unde f(0)=impar
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Să se calculeze probabilitatea ca, alegând o mulţime din mulţimea submultimilor nevideale mulţimii A = [1, 2, 3, 4, 5, 6] aceasta să aibă toate elementele impare.
12,5%
80%
12,3%
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