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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
In a survey of 1025 persons, it was found that 415 were not even graduates. If a person is selected at random, find the probability of that person being a graduate

a)         122/205
b)         132/205
c)          122/205
d)         83/205



Answer
Correct Answer Is :         122/205
Solution Is :
A pack of 700 apples contains 120 rotten apples. An apple is picked at random from the pack. What is the probability that the apple is not rotten

a)         31/35
b)         33/35
c)          22/35
d)         29/35



Answer
Correct Answer Is :         29/35
Solution Is :
Two coins are tossed simultaneously 1000 times and the outcomes are recorded as follows On the basis of this information what is the probability of getting at least one head

a)     17/20
b)     13/20
c)      3/5 
d)       7/20



Answer
Correct Answer Is :     13/20
Solution Is :
If P( E )=0.64 what is P (not E)

a)      0.37
b)      0.34
c)      0.36
d)    0.32



Answer
Correct Answer Is :      0.36
Solution Is :
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 :
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