11th Class Math MCQS Chapter 7

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11th Class Math MCQS


If two events A and B dose not influence the occurrence of each other then they are called
Independent event
Dependent event
Composite event
Simple event

The probability theory was introduced by
Pirre De Fermat
Christian Kramp
Both (a) and (b)
Blaise Pascal

The permutation of the things that can be represented by the points on the circle is called
Circular permutation
Combination
Permutation
Joint permutation

What is the probability that a slip of numbers divisible by 4 are picked form the slips bearing numbers 1,2,3,……….10?
1/5
2/5
5/2
-1/5

The probability of getting an odd number in throwing a die once is
1/6
6
1/2
2

Probability of an event can never be greater than
Number of events
One
Zero
Two

The factorial of positive integer n is n ! =
n(n – 1)(n – 2) ………..3.2.1
(n – 1)(n – 2) ………..3.2.1
(n + 1) (n) (n – 1) ………..3.2.1
(n – 1)(n – 3) ………..3.2.1

By evaluating 4! 0! 1! We will get
4
0
24
5

Zero
Number gereater than one
One
Between 0 and 1

If (n+1)!/3!(n-2) and (n+1)!/5!(n-r)! are in ratio 10: 3, then n =
2
3
5
4

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