+2 HSC Maths - Practice Questions

Question series from 20 to 26 are provided below. For more questions, refer to 'Related Post' section.

20) The are of the parallelogram having a diagonal and a side is:

a)

b)

c)

d)



21) In the set of integers under the operation * defined by , the identity element is

a) 0

b) 1

c) a

d) b



22) , for a discrete random variable X. Then, the mean of the random variable X is:

a) 16

b) 5

c) 3

d) 1


23) The random variable X follows normal distribution, . Then the value of ‘c’ is:

a)

b)

c)

d)



24) A discrete random variable X has probability mass function p(x), then

a)

b)

c)

d) 0< p(x)<1



25) In 16 throws of a die, getting an even number is considered a success. Then the variance of the success is:

a) 4

b) 6

c) 2

d) 256



26) The area of the region bounded by the graph of and between and is :

a)

b)

c)

d)


Refer to questions 1-6 , 7-12 and 13-19 here.