Thirty children were asked about the number -Maths 9th

Thirty children were asked about the number -Maths 9th
by

1 Answer

Answer :

The frequency distribution of above data in tabular form is given as: (ii) Two children watched television for 15 or more hours a week.
by

Related questions

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows : -Maths 9th

Description : Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows : -Maths 9th

Last Answer : (i) Frequency distribution table (ii) From the above frequency distribution table, we observe that number of children in the class - interval 15 - 20 is 2. So, 2 children view television for 15 hours or more than 15 hours a week .

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows : -Maths 9th

Description : Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows : -Maths 9th

Last Answer : (i) Frequency distribution table (ii) From the above frequency distribution table, we observe that number of children in the class - interval 15 - 20 is 2. So, 2 children view television for 15 hours or more than 15 hours a week .

Books are packed in piles each containing 20 books. Thirty five piles were examined for defective books and the results are given in the following table : -Maths 9th

Description : Books are packed in piles each containing 20 books. Thirty five piles were examined for defective books and the results are given in the following table : -Maths 9th

Last Answer : Total number of books = 700 (i) P(no defective books) = 400 / 700 = 4 / 7 (ii) P(more than 0 but less than 4 defective books) = 269 / 700 (iii) P(more than 4 defective books) = 13 / 700

Books are packed in piles each containing 20 books. Thirty five piles were examined for defective books and the results are given in the following table : -Maths 9th

Description : Books are packed in piles each containing 20 books. Thirty five piles were examined for defective books and the results are given in the following table : -Maths 9th

Last Answer : Total number of books = 700 (i) P(no defective books) = 400 / 700 = 4 / 7 (ii) P(more than 0 but less than 4 defective books) = 269 / 700 (iii) P(more than 4 defective books) = 13 / 700

30 children were asked about the number of hours -Maths 9th

Description : 30 children were asked about the number of hours -Maths 9th

Last Answer : No, the number of children who watched TV for 10 or more hours a week is 4 + 2, i.e., 6 .

The students of a Vidyalaya were asked to participate in a -Maths 9th

Description : The students of a Vidyalaya were asked to participate in a -Maths 9th

Last Answer : Radius of penholder = r = 3 cm Height of penholder = h = 10.5 cm Total surface area of penholder = πr2 + 2 πrh = πr(r + 2h) = 22/7 x 3(3 + 2 x 10.5) = 66/7 x 24 cm2 Cardboard required for 35 competitors = 35 x 66/7 x 24 = 7920 cm2

For annual day, Sakshi and Nidhi were asked to make one rangoli -Maths 9th

Description : For annual day, Sakshi and Nidhi were asked to make one rangoli -Maths 9th

Last Answer : In △ABC and △PQR, BC = QR (Given) ⇒ 1/2BC = 1/2QR ⇒ BM = QN In triangles ABM and PQN, we have AB = PQ (Given) BM = QN (Proved above) AM = PN ... BC = QR (Given) ∴ ΔΑΒC ≅ ΔPOR (SAS congruence criterion) Participation, beauty, hardworking.

While discussing the properties of a parallelogram teacher asked about the relation between two angles x and y of a parallelogram as shown ... -Maths 9th

Description : While discussing the properties of a parallelogram teacher asked about the relation between two angles x and y of a parallelogram as shown ... -Maths 9th

Last Answer : (a) Yes , x < y is correct (b) Ð ADB =Ð DBC = y (alternate int. angles) since BC < CD (angle opp. to smaller side is smaller) there for, x < y (c) Truth value

Teacher asked the students 'Can we write 0.47(recurring) -Maths 9th

Description : Teacher asked the students 'Can we write 0.47(recurring) -Maths 9th

Last Answer : Yes, Let x = 0.477777.... ....(i) 10x = 4.77777... .....(ii) Subtracting (i) from (ii), we get 9x = 4.3 or x = 43/90 Scientific temper, knowledge, curosity.

For her records, a teacher asked the students about their heights. -Maths 9th

Description : For her records, a teacher asked the students about their heights. -Maths 9th

Last Answer : Yes, Things which are equal to the same thing are equal to one another. Knowledge, curiosity, truthfulness

750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Description : 750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Last Answer : (i) P(no boy child) =100 / 750 = 2 / 15 (ii) P (no girl child) = 120 /750 =4 / 25

750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Description : 750 families with 3 children were selected randomly and the following data recorded If a family member is chosen at random, compute the probability that it has : -Maths 9th

Last Answer : (i) P(no boy child) =100 / 750 = 2 / 15 (ii) P (no girl child) = 120 /750 =4 / 25

1500 families with 2 children were selected -Maths 9th

Description : 1500 families with 2 children were selected -Maths 9th

Last Answer : (i) P (a family having 2 girls) = Number of families having 2 girls/Total number of families = 475/1500 = 19/60 (ii) P (a family having 1 girl) = Number of families having 1 girl/Total number of ... families = 211/1500 Sum of probabilities = 475/1500 + 814/1500 + 211/1500 = 1500/1500 = 1

An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Description : An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Last Answer : (i) From figure , it is clear that angle between the lines joining stalls C,D and stalls C, B is ∠BCD . Given, ∠DBC = 60° and ∠BAC = 40° CD is a chord of circle. Here, ∠CBD and ... for society. (iii) Other social issues for which such compaigns are required, are old age home, orphanages, etc.

The following table gives the pocket money (in Rs) given to children per day by their parents : Represent the data in the form of a histogram. -Maths 9th

Description : The following table gives the pocket money (in Rs) given to children per day by their parents : Represent the data in the form of a histogram. -Maths 9th

Last Answer : The required histogram is as below :

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Description : In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Last Answer : Total children = 364 Number of children like potato chips = 91 Number of children do not like potato chips = 364 – 91 = 273 273 Required probability = 273 / 364 =0.75

An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Description : An amusement fair was organised in a circular park for the children of slum clusters. Free food was supplied to them at 4 stalls situated at A, B, C and D as shown in the given figure. -Maths 9th

Last Answer : (i) From figure , it is clear that angle between the lines joining stalls C,D and stalls C, B is ∠BCD . Given, ∠DBC = 60° and ∠BAC = 40° CD is a chord of circle. Here, ∠CBD and ... for society. (iii) Other social issues for which such compaigns are required, are old age home, orphanages, etc.

The following table gives the pocket money (in Rs) given to children per day by their parents : Represent the data in the form of a histogram. -Maths 9th

Description : The following table gives the pocket money (in Rs) given to children per day by their parents : Represent the data in the form of a histogram. -Maths 9th

Last Answer : The required histogram is as below :

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Description : In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Last Answer : Total children = 364 Number of children like potato chips = 91 Number of children do not like potato chips = 364 – 91 = 273 273 Required probability = 273 / 364 =0.75

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Description : In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Last Answer : NEED ANSWER

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Description : In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. -Maths 9th

Last Answer : (c) Total number of survey children's age from 19-36 months, n(S) = 364 In those of them 91 out of them liked to eat potato chips. ∴ Number of children who do not like to eat potato chips, n(E) = ... S) = 273/364 = 0.75 Hence, the probability that he/she does not like to eat potato chips is 0.75.

In a survey of 364 children aged 19-36 months, -Maths 9th

Description : In a survey of 364 children aged 19-36 months, -Maths 9th

Last Answer : Children who do not like potato chips = 364 - 91 = 273 P (a child does not like potato chips) = 273/364 = 0.75

In a survey of 364 children aged 20-40 months, -Maths 9th

Description : In a survey of 364 children aged 20-40 months, -Maths 9th

Last Answer : Number of children = 364 Number of children not like to eat potato chips = 364 - 91 = 273. The required probability = 273/364 = 0.75

In a school, 5 out of every 7 children participated in 'Save Wild Life' -Maths 9th

Description : In a school, 5 out of every 7 children participated in 'Save Wild Life' -Maths 9th

Last Answer : 5/7 = 0.714285(recurring), Non - terminating repeating decimal. Caring, social, helpful, environmental concern.

Children of a society planned to plant trees in their area. -Maths 9th

Description : Children of a society planned to plant trees in their area. -Maths 9th

Last Answer : Environmental care, beauty, conservation.

A group of children prepared some decorative pieces -Maths 9th

Description : A group of children prepared some decorative pieces -Maths 9th

Last Answer : In △AEC, ∠A + ∠E + ∠C = 180° ...(i) (Angle sum property of a triangle) Similarly, in △BDF, ∠B + ∠D + ∠F = 180° ...(ii) Adding (i) and (ii), we get ∠A + ∠B + ∠C + ∠D + ∠E + ∠F = 360° Social, caring, cooperative, hardworking.

Lushkoff is earning thirty five roubles a month. How is he obliged to Sergei for this? -English 9th

Description : Lushkoff is earning thirty five roubles a month. How is he obliged to Sergei for this? -English 9th

Last Answer : Sergei played very important role in improving the condition of the beggar. It was because of Sergei that Lushkoff could earn thirty five roubles a month. He offered him the job to chop wood at his ... job of copying. Lushkoff was highly obliged to Sergei because now he was a notary because of him.

Will and Jim were practicing shooting, and each scored seventy-five hits out of a hundred. After a little break, Will tried again and hit thirty-five out of fifty shots. Jim did not do any more shooting. Who had the best average for the day? -Riddles

Description : Will and Jim were practicing shooting, and each scored seventy-five hits out of a hundred. After a little break, Will tried again and hit thirty-five out of fifty shots. Jim did not do any more shooting. Who had the best average for the day? -Riddles

Last Answer : Jim's average is higher.

Five girls were taken to the house of thirty -two people .

Description : Five girls were taken to the house of thirty -two people .

Last Answer : five girls = five fingers. Thirty-two people = 32 teeth one master Dida = tongue.

Where were thirty-two men on March 11836 from that came to the aide of the Alamo defenders?

Description : Where were thirty-two men on March 11836 from that came to the aide of the Alamo defenders?

Last Answer : america

Where were thirty-two men on March 1836 from that came to the aide of the Alamo defenders?

Description : Where were thirty-two men on March 1836 from that came to the aide of the Alamo defenders?

Last Answer : Need answer

Thirty men can lay a road of length 8 km in 8 days. The number of men required to lay-the road of length 16 km in 16 days is ………………..

Description : Thirty men can lay a road of length 8 km in 8 days. The number of men required to lay-the road of length 16 km in 16 days is ………………..

Last Answer : Thirty men can lay a road of length 8 km in 8 days. The number of men required to lay-the road of length 16 km in 16 days is ………………..

What is the decimal number shows five and thirty nine hundreds?

Description : What is the decimal number shows five and thirty nine hundreds?

Last Answer : It is 5.39

The following information is available for the W hotel for the latest thirty day period. Number of rooms available per night 40 Percentage occupancy achieved 65% Room servicing cost incurred Rs. 3900 The room servicing cost per occupied room-night last period, to the nearest Rs, was: (a) Rs 3.25 (b) Rs 5.00 (c) Rs 97.50 (d) Rs 150.00

Description : The following information is available for the W hotel for the latest thirty day period. Number of rooms available per night 40 Percentage occupancy achieved 65% Room servicing cost incurred Rs. 3900 The room servicing cost per occupied room- ... (a) Rs 3.25 (b) Rs 5.00 (c) Rs 97.50 (d) Rs 150.00

Last Answer : (b) Rs 5.00

The mean of 200 items was 50. Later on, it was discovered that the two items were misread as 92 and 8 instead of 192 and 88.find the correct mean. -Maths 9th

Description : The mean of 200 items was 50. Later on, it was discovered that the two items were misread as 92 and 8 instead of 192 and 88.find the correct mean. -Maths 9th

Last Answer : Here's ur answer..

The mean of 200 items was 50. Later on, it was discovered that the two items were misread as 92 and 8 instead of 192 and 88.find the correct mean. -Maths 9th

Description : The mean of 200 items was 50. Later on, it was discovered that the two items were misread as 92 and 8 instead of 192 and 88.find the correct mean. -Maths 9th

Last Answer : Here's ur answer..

Three coins were tossed 30 times simultaneously. -Maths 9th

Description : Three coins were tossed 30 times simultaneously. -Maths 9th

Last Answer : Frequency disribution of above data in tabular form is given as:

Three students were made to stand on the points P, Q and S -Maths 9th

Description : Three students were made to stand on the points P, Q and S -Maths 9th

Last Answer : Coordinates of R are (6, 6). Reasoning, enjoyment, physical fitness.

Triangular pieces of cardboards were cutout by some people -Maths 9th

Description : Triangular pieces of cardboards were cutout by some people -Maths 9th

Last Answer : The two cutouts may not be congruent. For example all equilateral triangles have equal angles but may have different sides. Environmental concern, cooperative, caring, social.

In a chess tournament, where participants were to play one game with one another, two players fell ill, having played 6 games each without playing -Maths 9th

Description : In a chess tournament, where participants were to play one game with one another, two players fell ill, having played 6 games each without playing -Maths 9th

Last Answer : answer:

Assess the contribution made by Constituent Assembly to form the Indian Constitution. [HOTS] The following were the contributions made by the Constituent Assembly to form the Indian Constitution. -Maths 9th

Description : Assess the contribution made by Constituent Assembly to form the Indian Constitution. [HOTS] The following were the contributions made by the Constituent Assembly to form the Indian Constitution. -Maths 9th

Last Answer : answer:

Is a "Month of Sundays" four or thirty?

Description : Is a "Month of Sundays" four or thirty?

Last Answer : Depends if you’re a donkey or an ass.

Do cola drinks really make one thirty thirsty?

Description : Do cola drinks really make one thirty thirsty?

Last Answer : answer:No, cola drinks won't make you thirsty, but cola does count as liquid just like water does. I don't think you are planning on increasing your soft drink intake, but in case you were, don't. It ... ton of. If you want to try giving it up that would be a good thing. Just remember the caffeine.

A Fluther contest: Let's try to guess how many more questions about guns we will see here in the next thirty days starting 12/28/12?

Description : A Fluther contest: Let's try to guess how many more questions about guns we will see here in the next thirty days starting 12/28/12?

Last Answer : [edit]: Uhh missed the “guns” part. I’ll say 7.

Can you imagine a news story from thirty years in the future?

Description : Can you imagine a news story from thirty years in the future?

Last Answer : Republican Candidate for President Still Not Settled!

What's a good Dirty-Thirty Birthday present to send?

Description : What's a good Dirty-Thirty Birthday present to send?

Last Answer : answer:How about a disposable camera which must be returned to you? With a self-addressed box and postage. And a note something like this: I am sad I can't be there for your birthday. I ... will have a great time with many embarassing moments, which I will not believe UNLESS YOU SEND ME PICTURES!

What if you could see thirty seconds of your future?

Description : What if you could see thirty seconds of your future?

Last Answer : Sign me up! I’d love to know.

Given a thirty year limit for a career, what are your top three dream jobs?

Description : Given a thirty year limit for a career, what are your top three dream jobs?

Last Answer : Real Life Graphic Designer 1988–2009 Teacher 2000–2009 Fantasy Jobs Photographer 2010–2040 Comic Shop Owner 2040-Death

White we are, strong we are; but can be easily shaken and weakened, easily stained and dirtied; None was found at first, then one appeared; afterwards, more are seen and thirty two appear at last, we all stand waiting for our prey. The food you eat is our prey and we all are in you. What are we? -Riddles

Description : White we are, strong we are; but can be easily shaken and weakened, easily stained and dirtied; None was found at first, then one appeared; afterwards, more are seen and thirty two appear at last, we all stand ... our prey. The food you eat is our prey and we all are in you. What are we? -Riddles

Last Answer : Your TEETH!

One day, a thirty story building was on fire. A man jumped out a window and nothing happened to him. Nothing was under him. How is this possible? -Riddles

Description : One day, a thirty story building was on fire. A man jumped out a window and nothing happened to him. Nothing was under him. How is this possible? -Riddles

Last Answer : He was first floor.