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NDA Exam Mathematics Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Mathematics Probability for NDA Exam student. This free online Mathematics study material for NDA Exam will help students in learning and doing practice on Probability topic of NDA Exam Mathematics. The study material on Probability, help NDA Exam Mathematics students to learn every aspect of Probability and prepare themselves for exams by doing online test exercise for Probability, as their study progresses in class. Kidsfront provide unique pattern of learning Mathematics with free online comprehensive study material and loads of NDA Exam Mathematics Probability exercise prepared by the highly professionals team. Students can understand Probability concept easily and consolidate their learning by doing practice test on Probability regularly till they excel in Mathematics Probability.

Probability

A dice is thrown 100 times and number of times occurrence of 6 was recorded. The probability of occurrence of 6 was recorded as 2/5. Find the number of times 6 has been recorded in the above event

a)     50 times
b)     40 times
c)     30 times
d)     20 times

✔Answer

Correct Answer Is : 40 times

Solution Is :

5 bags of rice each marked 10kg actually contained the following weight of rice 9.97,10.05,10.08,9.99,10.10 If any of these bags is chosen at random, find the probability of the bag containing rice more than 10kg

a)     3/5
b)     2/5
c)     4/5
d)     1/5

✔Answer

Correct Answer Is : 3/5

Solution Is :

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes If the three coins are tossed simultaneously computer the probability of 2 heads coming up

a)     19/25
b)     7/25
c)     4/25
d)     9/25

✔Answer

Correct Answer Is : 9/25

Solution Is :

In a cricket match a batsman hits a boundary 6 times out of 36 balls faced. Find out the probability that on a ball played he does not hit a boundary

a)     4/6
b)     5/6
c)     8/12
d)     3/6

✔Answer

Correct Answer Is : 5/6

Solution Is :

The probability of an impossible event is

a)         2
b)         1
c)         0
d)        -1

✔Answer

Correct Answer Is : 0

Solution Is :

6 males and 7 females applied for the post of Manager in a company. What`s is the probability of a female candidate to get selected

a)         1/13
b)         7/13
c)         5/13
d)        13/13

✔Answer

Correct Answer Is : 7/13

Solution Is :

On tossing a coin we get 250 times head and 150 times tail. What is the probability of each event

a)         5/8 and 3/8
b)         4/5 and 3/5
c)          5/10 and 3/10
d)         3/10 and 4/10

✔Answer

Correct Answer Is : 5/8 and 3/8

Solution Is :

Which of the following cannot be a probability of the event

a)         0
b)         0.75
c)         0.1
d)         1.1

✔Answer

Correct Answer Is : 1.1

Solution Is :

Out of all the English alphabets what is the probability of getting a vowel the area of this triangle is

a)         4/13
b)         7/26
c)          5/26
d)         3/26

✔Answer

Correct Answer Is : 5/26

Solution Is :

A group of students were examined for their blood group and the following information is recorded A student is selected at random from the group. The probability of the student having group O is

a)
        3/4

b)
        1/4

c)
        2/5

d)
        4/5

✔Answer

Correct Answer Is :
1/4

Solution Is :

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NDA Exam Mathematics Study Material

Probability

A dice is thrown 100 times and number of times occurrence of 6 was recorded. The probability of occurrence of 6 was recorded as 2/5. Find the number of times 6 has been recorded in the above event

Correct Answer Is : 40 times

Solution Is :

5 bags of rice each marked 10kg actually contained the following weight of rice 9.97,10.05,10.08,9.99,10.10 If any of these bags is chosen at random, find the probability of the bag containing rice more than 10kg

Correct Answer Is : 3/5

Solution Is :

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes If the three coins are tossed simultaneously computer the probability of 2 heads coming up

Correct Answer Is : 9/25

Solution Is :

In a cricket match a batsman hits a boundary 6 times out of 36 balls faced. Find out the probability that on a ball played he does not hit a boundary

Correct Answer Is : 5/6

Solution Is :

The probability of an impossible event is

Correct Answer Is : 0

Solution Is :

6 males and 7 females applied for the post of Manager in a company. What`s is the probability of a female candidate to get selected

Correct Answer Is : 7/13

Solution Is :

On tossing a coin we get 250 times head and 150 times tail. What is the probability of each event

Correct Answer Is : 5/8 and 3/8

Solution Is :

Which of the following cannot be a probability of the event

Correct Answer Is : 1.1

Solution Is :

Out of all the English alphabets what is the probability of getting a vowel the area of this triangle is

Correct Answer Is : 5/26

Solution Is :

A group of students were examined for their blood group and the following information is recorded A student is selected at random from the group. The probability of the student having group O is

Correct Answer Is : 1/4

Solution Is :

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Correct Answer Is :
1/4