Top 100+ questions in Education

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Q: A bag contains 18 balls out of which x balls are red.

A bag contains 18 balls out of which x balls are red. (i) If the ball is drawn at random from the bag, what ... . Find the value of x. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A jar contains 24 marbles. Some of these are green and others are blue. If a marble is drawn at random from the jar,

A jar contains 24 marbles. Some of these are green and others are blue. If a marble is drawn at random from ... marbles in the jar. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A jar contains 54 marbles, each of which some are blue, some are green and some are white.

A jar contains 54 marbles, each of which some are blue, some are green and some are white. The probability of ... does the jar contain? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A carton consists of 100 shirts of which 88 are good and 8 have minor defects. Rohit, a trader, will only accept the shirts which are good.

A carton consists of 100 shirts of which 88 are good and 8 have minor defects. Rohit, a trader, will only accept ... and (ii) Kamal? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A coin is tossed 500 times and we get Heads: 285 times and tails: 215 times.

A coin is tossed 500 times and we get Heads: 285 times and tails: 215 times. When a coin is tossed at random, ... head? (ii) a tail? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: Three coins are tossed 200 times and we get Three heads: 39 times; two heads: 58 times; One head: 67 times; o head: 36 times.

Three coins are tossed 200 times and we get Three heads: 39 times; two heads: 58 times; One head: 67 times; o ... head? (iv) 2 heads? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a survey of 200 ladies, it was found that 142 like coffee, while 58 dislike it. Find the probability that a lady chosen at random

In a survey of 200 ladies, it was found that 142 like coffee, while 58 dislike it. Find the probability that ... (ii) dislikes coffee. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: The percentages of marks obtained by a student in six unit tests are given below:

The percentages of marks obtained by a student in six unit tests are given below: Unit test I II III IV V VI ... marks in the test? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: On a particular day, at a crossing in a city, the various types of 24 vehicles going past during a time interval were observed under:

On a particular day, at a crossing in a city, the various types of 24 vehicles going past during a time interval ... is a two-wheeler? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: On one page of a telephone directory, there are 200 phone numbers. The frequency distribution of their unit’s digits is given below:

On one page of a telephone directory, there are 200 phone numbers. The frequency distribution of their unit's digits is ... ? (ii) 8? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: The following table shows the blood groups of 40 students of a class.

The following table shows the blood groups of 40 students of a class. Blood group A B O AB Number of students 11 9 14 ... ) O? (ii) AB? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: 12 packets of salt, each marked 2kg, actually contained the following weights (in kg) of salt:

12 packets of salt, each marked 2kg, actually contained the following weights (in kg) of salt: 1.950, 2.020, ... than 2kg of salt? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a cricket match, a batsman hits a boundary 6 times out of 3 balls he plays. Find the probability that he did not hit a boundary.

In a cricket match, a batsman hits a boundary 6 times out of 3 balls he plays. Find the probability that he did not hit a boundary. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: The table given below shows the marks obtained by 30 students in a test.

The table given below shows the marks obtained by 30 students in a test. Marks (Class interval) 1-10 11-20 21- ... interval 21 - 30? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: The table given below shows the ages of 75 teachers in a school.

The table given below shows the ages of 75 teachers in a school. Age (in years) 18-29 30-39 40-49 50-59 ... ) above 60 years of age? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: Following are the ages (in years) of 360 patients, getting medical treatment in a hospital:

Following are the ages (in years) of 360 patients, getting medical treatment in a hospital: Age (in years) 10- ... less than 10 years? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: It is known that a box of 800 electric bulbs contains 36 defective bulbs.

It is known that a box of 800 electric bulbs contains 36 defective bulbs. One bulb is taken at random out ... chosen is non-defective? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: Fill in the blanks. (i) Probability of an impossible event = ……. (ii) Probability of a sure event = ……..

Fill in the blanks. (i) Probability of an impossible event = . (ii) Probability of a sure event = .. (iii) Let E ... ≤ P (E) ≤ . Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: probablitily

In a quiz contest of answering Yes' or No' what is the probability of guessing at least 6 answers correctly ... for a correct answer. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A coin is tossed. What are all possible outcomes?

A coin is tossed. What are all possible outcomes? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: Two coins are tossed simultaneously. What are all possible outcomes?

Two coins are tossed simultaneously. What are all possible outcomes? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A die is thrown. What are all possible outcomes?

A die is thrown. What are all possible outcomes? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: From a well-shuffled deck of 52 cards, one card is drawn at random. What is the number of all possible outcomes?

From a well-shuffled deck of 52 cards, one card is drawn at random. What is the number of all possible outcomes? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a single throw of coin, what is the probability of getting a tail?

In a single throw of coin, what is the probability of getting a tail? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a single throw of two coins, find the probability of getting (i) both tails, (ii) at least 1 tail, (iii) at the most 1 tail.

In a single throw of two coins, find the probability of getting (i) both tails, (ii) at least 1 tail, (iii) at the most 1 tail. Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A bag contains 4 white and 5 blue balls. They are mixed thoroughly and one ball is drawn at random.

A bag contains 4 white and 5 blue balls. They are mixed thoroughly and one ball is drawn at random. What is the ... (ii) A blue ball? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: A bag contains 5 white, 6 red and 4 green balls. One ball is drawn at random.

A bag contains 5 white, 6 red and 4 green balls. One ball is drawn at random. What is the probability that the ... ? (iii) Non-red? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a lottery, there are 10 prizes and 20 blanks. A ticket is chosen at random. What is the probability of getting a prize?

In a lottery, there are 10 prizes and 20 blanks. A ticket is chosen at random. What is the probability of getting a prize? Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: In a spinning wheel, there are 3 white and 5 green sectors. It is spinned. What is the probability of getting a green sector?

In a spinning wheel, there are 3 white and 5 green sectors. It is spinned. What is the probability of getting a green ... 5/8 1/5 3/8 Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance

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Q: 8 cards are numbered as 1, 2, 3, 4, 5, 6, 7, 8 respectively. They are kept in a box and mixed thoroughly.

8 cards are numbered as 1, 2, 3, 4, 5, 6, 7, 8 respectively. They are kept in a box and mixed thoroughly. Once card ... 4? ½ ¾ 3/8 3/5 Select the correct answer from above options...

asked Nov 23, 2021 in Education by JackTerrance