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Maths Group11

Maths Group11

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The main purposes of this channel are to: 1. 📝 Provide various Mathematics questions and exercises. 2. 📚 Share and publish different educational books. 3. 📖 Provide useful short notes and study materials. Hirriyyoota keessaniif share godha!

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Consider the following chemical equation: PCl₅ + H₂O ------>H₃PO₄ + HCl. Then what is the coefficient of HCl after balancing of chemical equation?
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What is the magnetic field strength when a current of 6A flows in a wire 3m long and produces a force of 36N ?
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A system of homogeneous equation always has:
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If matrix A is a 3 × 3 matrix and its 1st row elements are identical with 3rd row elements. Then matrix A is:
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Let A be a 3 × 3 triangular matrix and its diagonal elements are 1, 4, and 2. Then which one of the following is not true about its determinate?
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Let A be 3×3 matrix; if |A| = 8, then |3A| is equal to:
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Change into passive voice: He helps me every day. Write your answer under the comment!

How many sigma and pi bonds are there in ethylene ( C₂H₄) ?
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What is the molecular shape of BrF₄⁻ ?
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What is the molecular geometry of O₃ ?
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የትኛውን ይበልጥ ትወዳለክ ?

Of 100 staff members of a school, 48 drink coffee, 25 drink both tea and coffee and everyone drinks either coffee or tea. How many stuff members drink tea?
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Of 100 students, 65 are members of mathematics club and 40 are members of a physics club. If 10 are members of neither club, then how many students are members of both clubs?
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Suppose A and B are sets such that n(A) = 10, n(B) = 23 and n(A∩B) = 4, then which of the following is equal to n(A∆B)?
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If U = {1, 2, 3, ..., 9} and A= { 2, 6, 8}. Then what is A' ?
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Which of the following pairs of sets are disjoint?
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If two roots of a quadratic equation are -2 and 3, then what is the quadratic equation?
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What is(are) the solution(s) set of the absolute equation |3x + 2| - |x - 3| = 5 ?
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Which of the following is not propertie of magnetic field lines?
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