Data Handling Test

Result

Data Handling Test - 4

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

In a school only 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

A
0.65

B
0.4

C
0.45

D
0,6

Solution

Total number of students = 5 Number of students who do not make it to the competition = 5−3=2
∴ Required probability =2/5=0.4
Question 2
1 / -0

A glass Jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?

A
7/10

B
3/10

C
4/5

D
2/5

Solution

Total number of marbles = 6 + 5 + 4 + 5 = 20
Number of red colour marbles = 6
Probability of choosing red colour marble = 6/20 = 3/10
Question 3
1 / -0

Ram put some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons In all. All of a sudden, a cat Jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue?

A
7/20

B
3/5

C
1/5

D
1/4

Solution

Total number of buttons = 4 + 7 + 3 + 6 = 20
Number of blue buttons = 4
Probability that the button on the floor is blue = 4/20 = 1/5