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R

Ramya 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Two finite sets have m and n elements. The number of subsets of the first set is 112 more than that of the second set. What is the value of m and n respectively?

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Ram Mohan replied | 23 Nov

The Values of m & n are : m=7 and n=4 for detailed solution, Please see the attachment.

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Tahir 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Power set of the set A = {1, 2} is _______ ?

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Chandan replied | 22 Nov

2 power 2 = 4 (Ans)

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A

Apoorva 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Define Universal set?

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Ram Mohan replied | 18 Nov

Universal set is a set, which is the union of all the sets involved in the context of the Question/ Problem.

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S

Shurbik 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Define set?

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Chandan replied | 22 Nov

A collection of "things" (objects or numbers, etc).
Each member is called an element of the set.
There should be only one of each member (all members are unique).
Here is a set of clothing items.
Another Example: {1,2,3,4} is the set of counting numbers less than 5

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A

Anil 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Write the set in the roaster form: A = {x : x belongs to R, 2x + 11 = 15}?

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R

Ritu 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Is the statement true or not: 35 belongs to {x : x has exactly four positive factors}?

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S

Shreya 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Given: L = {1, 2, 3, 4}, M = {3, 4, 5, 6} and N = {1, 3, 5}
Verify that L - (M union N) = (L union M) intersection (L - N)?

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V

Varsha 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

If A and B are subsets of the universal set U, then show that A subset of (A union B)?

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S

Shabeena 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

If X = {1, 2, 3}, if n represents any member of X, write the following sets containing all numbers presented in which statement?

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N

Nayan 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

If Y = {1, 2, 3, … 10}, and a represents any element of Y, write the satisfaction with satisfying the given conditions?

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J

J.k.kavyadharshini 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

For all sets A and B, (A - B) union of (A intersection B) = A. Justify your answer?

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P

Poonam 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Out of 100 students; 15 passed in English, 12 passed in mathematics, 8 in Science, 6 in English and Mathematics, 7 in Mathematics and Science; 4 in English and Science; 4 in all the three. Find how many passed in English and Mathematics but not in Science?

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Praveen 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

In a class of 60 students, 25 students play cricket and 20 students play tennis, and 10 students play both the games. Find the number of students who play neither?

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P

Pritom 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Let S = set of points inside the square, T = the set of points inside the triangle and C = the set of points inside the circle. If the triangle and circle intersect each other and are contained in a square then what is the set builder form of the same?

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P

Pradeep 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

Let R be the set of points inside a rectangle of sides a and b (a, b > 1) with two sides along the positive direction of x-axis and y-axis. Then what is the set builder form?

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V

Vikna 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

In a class of 60 students, 25 students play cricket and 20 students play tennis, and 10 students play both the games. What is the value of the number of the students who play neither?

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D

Divya 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

In a town of 840 persons read Hindi, 300 read English and 200 read both. Then what is the number of persons who read neither?

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A

A 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

A survey of 200 students of a school, it was found that 120 study Mathematics, 90 study Physics and 70 study Chemistry, 40 study Mathematics and Physics, 30 study Physics and Chemistry, 50 study Chemistry and Mathematics an 20 none of these subjects. Find the number of students who study all the three subjects?

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G

Gerda 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

In a town of 10000 families it was found that 40% families buy newspaper A, 20% families buy newspaper B, 10 % families buy newspaper C, 5% families buy A and B, 3% buy B and C. If 2% families buy all the three newspaper. Find the number of families which buy newspaper A only?

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S

Sweta 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

If A and B are finite sets such that A subset B, then n (A union of B) =________ ?

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B

Bhanu 03 Nov in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Sets

For all set A and B, A - (A intersection of B)is equal to_____ ?

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