Free MCQs & Online Quiz Practice for Exams

Q: Identify the item that does not have the same ratio as the other three

A) 30/45

B) 4:6

C) 2:3

D) 3:2

Q: If a/b=c/d then by alternendo property

A) (a-b)/b =(c-d)/d

B) a/(a+b)= c/(c+d)

C) a/b=b/d

D) b/a=d/c

Q: If 7:9 :: x:27, then x=

A) 21

B) 3

C) 7

D) 81

Q: The third proportional of x and y is

A) xy

B) x/y

C) y²/x

D) None of these

Q: If x∝(1/y) and y∝(1/z), then

A) y∝(1/z)

B) x∝z

C) xy∝z

D) xz∝y

Q: If 2a+1:21::4:7, then a=

A) 1/2

B) 11/2

C) 10

D) 9/2

Q: If a/b= c/d = e/f, then each fraction is equal to

A) (la+mb+ne)/(ld+mc+nf)

B) (la+mc+ne)/(lb+md+nf)

C) (la+mc+ne)/(ld+mc+nf)

D) (la+mb+nc)/(ld+mc+nf)

Q: Which of the following is a situation in which x varies directly as y

A) x=1/2

B) xy=6

C) x=xy

D) x=(7/16)y

Q: If A={1,2,3}, B={4,5} and R={(1,4),(2,5),(3,4)}, then R is

A) A one-one function from A to B

B) A function from A to A

C) Not a function

D) An onto function from A to B

Q: If A has two elements and B has three elements, then number of binary relations in A×B is

A) 2×3

B) 2³

C) 2⁶

D) 2²

Q: Which one of the following is an example of disjoint sets

A) {0,1,2,3},{3,2,1,0}

B) {0,2,4,6},{2,4,6,8}

C) {0,3,6,9},{9,16,25,36}

D) {0,4,8,12},{6,10,14,18}

Q: If the universal set U={x|x is a positive odd integer less than 30}, R={1,5,7} and S={1,3,7,11,13}, how many elements are in R∩S

A) 15

B) 13

C) 7

D) 2

Q: If 'f' is a function from A to B, then f is onto if

A) Range f=B

B) Range f≠A

C) Dom f=A

D) Second element of all ordered pairs in f is not repeated

Q: If R={(0,0),(8,2),(10,3),(14,12)}, then Dom R=

A) {0,8,10,14}

B) {0,2,3,12}

C) {8,10,14}

D) {0,10}

Q: The difference between upper limit of two consecutive classes in a frequency table is called

A) Class limit

B) Class interval

C) Class mark

D) Range

Q: A cumulative frequency histogram is also called

A) Histogram

B) Pie chart

C) Ogive

D) Frequency polygon

Q: The number of times a value appears in a data set is called

A) Frequency

B) Average

C) Mode

D) Median

Q: The data represents the number of televisions that 11 students have in their homes. The mode of the data 3,2,1,1,1,5,3,1,2,1,2 is

A) 1

B) 2

C) 3

D) 4

Q: Which data set has mean, median and mode all equal

A) 1,2,3,3,2,1,2

B) 1,2,3,1,2,3,1

C) 1,3,3,3,2,3,1

D) 2,2,1,2,3,2,3

Q: The nth root of product of n number of values is called

A) Arithmetic mean

B) Geometric mean

C) Harmonic mean

D) Standard deviation