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Maths Group11

Maths Group11

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The main purpose of this channel is to: 1. Print various Maths questions. 2. Publishing various books. 3. Print various short notes. Share it with your friends! Hirriyyoota keessaniif share godha!

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What is the slope of a line, if its inclination is 135°?
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What is the gradient of the line passing through P(2, 3) and Q(5, -3)?
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If Birr 5000 is invested at a rate of 6% compounded quarterly ( 4 times a year), then how long does it take to double the investment?
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What is the equation of the line passing through P (5,-1) and perpendicular to the line L: x - 3y = -7?
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The point of intersection of the miedians of a triangle is called the____________ of the triangle.
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If x is the angle of the fourth quadrant. When tan(x) = -2, then what is the value of sec(x)?
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What is the average of the frist six (positive) odd number each of which is divisible by7?
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Gaaffii Miseensotni Caffee Oromiyaa Dhimma Barnootaa Irratti Kaasaniif Hogganaan Biiroo Barnootaa  Deebii Laataniiru. ---------------------- BBO- 10/06/2016 Yaa'ii Idilee 6ffaa waggaa 3ffaa bara hojii Caffee 6’ffaa irratti Biiroo Barnootaa Oromiyaatiif gaaffii ka'aniif hoogganaan Biiroo Barnootaa Oromiyaa Dr. Tolaa Bariisoo deebii laataniiru. Gaaffileen/yaadotni miseensota Caffeetiin ka'an 5 yoo ta'an tartiibaan akka armaan gadiitti dhihaataniiru. 1-Biiroon Barnootaa Oromiyaa  Manneen Barnootaa Sad. 2ffaa babal'isuu irratti maal yaadaa jira? kan jedhu yoo ta'u, Deebiin Dr. Tolaa: Biiroon keenyaafi Mootummaan Naannoo Oromiyaa waggaa tokkoofi lamaan darban keessa manneen barnootaa Ifa Boruu Sad. 2ffaa 100fi Manneen Barnootaa Bultii Addaa 7 ijaaruu ibsuun akka mootummaafi biiroo keenyaatti, bara 2016/17 tti haaraa ijaaruu otuu hin taane, manneen barnootaa jiraniif ulaagaalee barbaachisaa ta'e guutuu irratti hojjataa jirra jedhaniiru. 2-Yaadni lammaffaan miseensa Caffeetiin ka'e, " Investimeentii Barnoota irratti taasifamuufi bu'aa wal biratti qabnee yoo ilaalluu maal fakkaata," kan jedhu yoo ta'u, - Dr. Tolaanis, bu'aan barnootaa kan yeroo gabaabaan safaramu yoo ta'uu baatullee, bu'uura irraa hojiin hojjatamaa jiru abdii guddaa kan nama keessatti uume ta'uu himaniiru. Manneen barnootaa Bu'uura Boruu keessatti daa'imman baratan dubbusuu, lakkoofsa adda baasanii dubbisuu irratti bu'aan argame gammachiisaa ta'uu dubbataniiru. 3- Qormaataan walqabatee gaaffii ka'e ilaalchisee Qormaata kutaa 6ffaa, 8ffaafi 12ffaa ilaalchisee qormaatni kan kilaastaraan qophaa'e ta'uu ibsuun, kunis barattootni keenya kutaa 12ffaa irratti qabxii gadi aanaa maaliif galmeessisan kan jedhu qorannoo gaggeeffameen, barattootni keenya qarmaata wal fakkaataafi istaandardaawaa ta'e waan hin qoratamneef kan jedhu qorannoon waan agarsiisaniif kan fooyyessuuf ta'uufi yaada hir'ina teeknooloojiitiin walqabate ibsaniiru. 4-Yaadni afraffaa irratti ka'e immoo, Biiroon Barnootaa Oromiyaa  manneen barnootaa ijaaruu(hardware)malee, barnoota kennamu(Softeware)irratti hojjataa hinjiru jedhama, jedhamee yaada ka'eef. Dr. Tolaa Bariisoo, deebii isaanitiin akka armaan gadiitti ibsaniiru. -Carraa barnootaa ilmaan Oromoo hundaa akka wal gahuu manneen barnootaa babal'isuun(ijaaruun) keenya dhugaadha. kun 'hardware' ta'uusaati akka kabajamoo miseensa Caffeetti. 'Softeware' beekumsa, ogummaafi ilaalcha irratti maal hojjataa jirtu kan jedhu yoo ta'u, Hoogganaan Biiroo Barnootaa Oromiyaa, Dr. Tolaa Bariisoo deebii kennaniin, - Biiroon Barnootaa Manneen Barnootaa qofa ijaaruu otuu hin taane; #Sirna barnootaa jijjiiruun. #Leenjii hoggantoota manneen barnootaa, #Leenjii barsiisotaa -Manneen Barnootaa Bu'uura Boruu, - Gosa barnootaatiin barsiisota MB Sad.2ffas leenjisuu, #Supparvaayizaroota barnootaa leenjisuu, - Hawaasni keenya qulqullinni  barnootaa rakkoo keessa akka jiru ajandaa hawaasaa, maatii barattootaa, mootummaafi miseensota Caffee kanaaf taasisuun dandeenyeerra. Kuni hunduu, ijaarsa MB qofa otuu hintaane ijaarsa sammuu daa'imman keenyaa irratti hojjachaa jiraachuu kan agarsiisu yoo ta'u, 'Softeware' irratti hojjachaa jiraachuun biiroo keenyaafi mootummaa keenyaa ol-aanaa kan ta'e, barattootni keenya duudhaa ganamaatti akka deebi'an aadaa, duudhaa, safuu Ummata keenyaa akka beekan, sirna barnootaa keenya keessatti #Barnoota Gadaafi #BarnootaSafuu akka hammatamu taasisuun sammuu barattoota keenya irratti akka hojjatamu taasifamee jira jedhaniiru. 5-Waa'ee hanqina kitaaba barataa ilaalchisee gaaffii ka'e ilaalchisee; Hanqinni kitaabaa kan uumame hanqina sharafa biyya alaa irraa kan ka'e, meeshaalee maxxansaaf tajaajilan irratti hanqinni kan qunname waan ta'eef hanga humni keenya hayyameen saffisaan hojjachuun rakkoo kitaaba barataa akka hiikuuf hojjatan Dr. Tolaa Bariisoo miseensota Caffee Oromiyaatiif ibsaniiru. Nyaata barattootaaf dhihaatu waliin wal-qabatee gaaffii dhihaateef immoo, Dhaabbata Buusaa Gonfaa waliin qindoominaan hojjachuun harcaatiin uumame akka furamuu danda'u Dr. Tolaa Bariisoo ibsaniiru.

Maths statistics and probability questions: 1. In statistics, what is the formula for calculating the mean of a set of numbers? a) Sum of all numbers / Total number of numbers b) Highest number - Lowest number c) Median of the numbers d) Mode of the numbers 2. What is the range of the following set of numbers: 12, 15, 18, 21, 24? a) 9 b) 12 c) 15 d) 18 3. In probability, what is the formula for calculating the probability of an event A occurring? a) P(A) = Number of favorable outcomes / Total number of outcomes b) P(A) = Total number of outcomes / Number of favorable outcomes c) P(A) = Number of favorable outcomes * Total number of outcomes d) P(A) = Total number of outcomes - Number of favorable outcomes 4. If the probability of event A occurring is 0.4 and the probability of event B occurring is 0.3, what is the probability of both events A and B occurring? a) 0.7 b) 0.6 c) 0.5 d) 0.4 5. In statistics, which measure of central tendency is most affected by outliers in a dataset? a) Mean b) Median c) Mode d) Range 6. What is the standard deviation of the following set of numbers: 10, 12, 14, 16, 18? a) 2 b) 3 c) 4 d) 5 7. In probability, what is the complement of an event A? a) The event A itself b) The opposite of event A not occurring c) The probability of event A occurring d) The sum of all possible outcomes 8. If the probability of event A occurring is 0.6 and the probability of event B occurring is 0.7, what is the probability of either event A or event B occurring? a) 0.13 b) 0.6 c) 0.7 d) 0.8 9. In statistics, what does the term "correlation coefficient" measure? a) The strength and direction of a linear relationship between two variables b) The average value in a dataset c) The spread of data points around the mean d) The most frequently occurring value in a dataset 10. What is the interquartile range (IQR) of the following set of numbers: 5, 8, 10, 12, 15, 20? a) 10 b) 12 c) 13 d) 15 11. In probability, what is the formula for calculating the conditional probability of event A given that event B has occurred? a) P(A|B) = P(A and B) / P(B) b) P(A|B) = P(A and B) * P(B) c) P(A|B) = P(B|A) * P(A) d) P(A|B) = P(A and B) + P(B) 12. If the mean of a dataset is 25 and the standard deviation is 5, what percentage of data points fall within one standard deviation from the mean? a) 34% b) 68% c) 95% d) 99% 13. In statistics, what does a box plot display about a dataset? a) The spread and skewness of data points b) The mean and median values c) The range and standard deviation d) The mode and variance 14. What is the probability of rolling a prime number (2, 3, or 5) on a fair six-sided die? a) 1/2 b) 1/3 c) 1/4 d) 1/6 15. In statistics, if a dataset has a skewness value of -0.5, what type of skewness does it exhibit? a) Positively skewed b) Negatively skewed c) Symmetrically distributed d) No skewness Join and share our channel! @maths_group11 @maths_group11 @maths_group11

Answer for maths questions on matrix and determinants 1. D 2. A 3. C 4. C 5. A 6. B 7. A 8. D 9. A 10. B 11. A 12. C 13. A 14. B 15. A 16. D 17. A 18. B 19. B 20. A ❓Feel Free To Ask Questions in the Comments.

📃Matrix and Determinant Questions (EUEE Standard) 1. If A is a 2x3 matrix and B is a 3x4 matrix, what is the possible dimension of the product AB?    - A) 2x2    - B) 2x3    - C) 3x2    - D) 2x4 2. The determinant of the following matrix:      | 3  1 |   | 2  4 |       - A) 10    - B) 11    - C) 12    - D) 14 3. If A and B are square matrices of the same order, what is the result of det(A^T * B)?    - A) det(A) * det(B)    - B) det(A^T) * det(B)    - C) det(A * B)t    - D) det(B * A) 4. What is the rank of the matrix:           | 1  0  2 |    | 0  1  3 |    | 0  0  0 |       - A) 2    - B) 3    - C) 1    - D) 0 5. If A is an orthogonal matrix, what can be said about its eigenvalues?    - A) Always real    - B) Always complex    - C) Always negative    - D) Always positive 6. The product of a scalar and a matrix is obtained by multiplying each element of the matrix by the scalar. What is this operation called?    - A) Addition    - B) Scalar multiplication    - C) Determination    - D) Transposition 7. If A and B are invertible matrices, what is the inverse of their product (AB)^(-1)?    - A) A^(-1) * B^(-1)    - B) AB    - C) B^(-1) * A^(-1)    - D) A^(-1) + B^(-1) 8. The determinant of the following matrix:           | 2  0  1 |    | 3  1  4 |    | 1 -1  3 |       - A) -6    - B) -7    - C) 6    - D) 7 9. What is the eigenvalue of the identity matrix?    - A) 1    - B) 0    - C) -1    - D) It doesn't have eigenvalues 10. If A is a 3x3 matrix and det(A) = 0, what can be said about A?     - A) A is invertible     - B) A is singular     - C) A is symmetric     - D) A is orthogonal 11. The product of a matrix and its transpose is always:     - A) Symmetric     - B) Diagonal     - C) Identity     - D) Skew-symmetric 12. If A and B are square matrices such that det(A) = 3 and det(B) = 2, what is det(A^(-1) * B)?     - A) 3     - B) 2     - C) 6     - D) 1/6 13. What is the adjugate of the identity matrix?     - A) Identity matrix     - B) Zero matrix     - C) Diagonal matrix     - D) Skew-symmetric matrix 14. If A is a 2x2 matrix with det(A) = 0, what can be said about A?     - A) A is invertible     - B) A is singular     - C) A is symmetric     - D) A is orthogonal 15. The determinant of a diagonal matrix is equal to:     - A) The product of its diagonal elements     - B) The sum of its diagonal elements     - C) The square of its diagonal elements     - D) 1 16. What is the rank of the following matrix?              | 1  2  3 |     | 0  0  0 |     | 4  5  6 |         - A) 1     - B) 2     - C) 3     - D) 0 17. If A is a skew-symmetric matrix, what can be said about its diagonal elements?     - A) They are always zero     - B) They are always positive     - C) They are always negative     - D) They can be any real number 18. The product of two orthogonal matrices is always:     - A) Symmetric     - B) Orthogonal     - C) Singular     - D) Skew-symmetric 19. If A and B are square matrices, what is the determinant of their sum, det(A + B)?     - A) det(A) + det(B)     - B) det(A + B)     - C) det(A) * det(B)     - D) det(A - B) 20. If A is a square matrix, what is the determinant of its inverse, det(A^(-1))?     - A) 1     - B) -1     - C) det(A)     - D) 0 answers will be released soon Comment your answers 👇 Join and share our channel! @maths_group11 @maths_group11 @maths_group11

1/2(3-6)+5(3-3/2)= __________________?
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What is the sine and cosine of -300° respectively?
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A____________ is a square matrix whose elements above the main diagonal are all zero.
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A line segment has end points at P(2 , 5) and Q(5, -1) which of the following is the coordinates of point R so that PR:RQ =2:1( EGSECE 2011 E.C)
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A fair die is tossed once. What is the probability that an even number appears?
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Given data 20,16,12,8,18,5,9,24 then which one of the following is standard deviation of the data?
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Gosoota Barnoota Qormaata Biyyoolleessaa Kutaa 12 Bara 2016. Natural science ➖ ➖ ➖ ➖ ➖ ➖ ➖ 🔰 English 🔰 Math 🔰 Physics 🔰 Chemistry 🔰 Biology 🔰 SAT (Aptitude) Social Science ➖ ➖ ➖ ➖ ➖ ➖ ➖ 🔰 English 🔰 Math 🔰 History 🔰 Geography 🔰 Economics 🔰 SAT (Aptitude) 🎓 Qormaanni Economics Kitaaba kutaa 12 haaraa irraa qofa kan qophaa'u yeroo ta'uu; kan hafan garuu kitaaboolee 9-11 isa moofaa irraa fi kitaaba kutaa12 isa haaraa irraa qopha'u. https://t.me/maths_group11 https://t.me/maths_group11 https://t.me/maths_group11

When x³-2x²+3bx +10 is divided by x-3 the remainder is 37. Then what is the value of b?
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