If a card is drawn from a pack of cards, what is the probability of getting a black coloured card?

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{3}{4}$

• $\frac{3}{8}$

A bag contains 5 red balls, 8 white balls, 4 green balls and 7 black balls. If one ball is drawn at random find the probability that it is not green

• $\frac{1}{6}$

• $\frac{5}{6}$

• $\frac{5}{8}$

• $\frac{1}{2}$

23.

The mean of median and mode of the data 7, 6, 7,9, 8, 8, 10, 8 is

• 8.5

• 9

• 5.5

• 8

A teacher conducted a debate in the class on the following topic

"Zero is the most significant number.''

She encouraged every child to express his/her view on the topic. The teacher is

• using her Mathematics class as life-skill class to develop value of argument among the children

• inducing problem-solving skill among the children

• making her classroom more communicative and reflective

• passing her time as students are not in mood of studying

Most appropriate formative task to assess the student's understanding of data analysis is

• Role play

• Cross word

• Survey-based project

• Quiz

A die is thrown once. The probability of getting a prime number is

• $\frac{2}{3}$

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{3}{2}$

A positive integer is selected at random and is divided by 7. What is the probability-that the remainder is not 1?

• $\frac{1}{7}$

• $\frac{2}{7}$

• $\frac{6}{7}$

• 1

A box contains a dozen bulbs in which few are defective and remaining are good. Which of the following cannot be a ratio of defective bulbs to good bulbs ?

• 1 : 1

• 1 : 2

• 1 : 3

• 1 : 4

In a sports competition, 5 players are participating. It is compulsory for each player to play match with every other player. How many matches will be played?

• 10

• 12

• 16

• 20

The mean of range, mode and median of the data 4, 3, 2, 2, 7, 2, 2, 0, 3, 4, 4, is

• 4

• 3

• 5

• 2