Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions

If you have a spinning wheel with 3-green sectors, 1-blue sector and 1-red sector. What is the probability of getting a green sector? Is it the maximum?

When two dice are rolled:

List the outcomes for the event that the total is odd. 

When two dice are rolled:

Find probability of getting an odd total. 

When two dice are rolled: 

List the outcomes for the event that total is less than 5.

When two dice are rolled: 

Find the probability of getting a total less than 5?

A card is drawn at random from a pack of 52 cards. Find the probability that the card drawn is: 

a red card

In a simultaneous throw of a  pair of dice, find the probability of getting: 

 a number other than 5 on any dice.

The population of a city was 20,000 in the year 1997. It increased at the rate of 5% p.a. Find the population at the end of the year 2000.

What is the probability of choosing a vowel from the alphabets?

In a school only, 3 out of 5 students can participate in a competition. What is the probability of the students who do not make it to the competition?

A coin is tossed 200 times and head appeared 120 times. The probability of getting a head in this experiment is ______.

Numbers 1 to 5 are written on separate slips, i.e one number on one slip and put in a box. Wahida pick a slip from the box without looking at it. What is the probability that the slip bears an odd number?

A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble from the jar at random. What is the probability that the chosen marble is of red colour?

Classify the following statements under appropriate headings.

1. Getting the sum of angles of a triangle as 180°.
2. India winning a cricket match against Pakistan.
3. Sun setting in the evening.
4. Getting 7 when a die is thrown.
5. Sun rising from the west.
6. Winning a racing competition by you.

A quadrilateral whose all sides are equal, opposite angles are equal and the diagonals bisect each other at right angles is a ______.

If the adjacent sides of a parallelogram are equal then parallelogram is a ______.

In the figure, BEST is a rhombus, Then the value of y – x is ______.

If a diagonal of a quadrilateral bisects both the angles, then it is a ______.

If all sides of a quadrilateral are equal, it is a ______.