The Number Of Students Who Take Both The Subjects Mathematics And Chemistry Is 30. This Represents 10per Of The Enrolment In Mathematics And 12 Per Of The Enrolment In Chemistry. How Many Students
4 Years Ago
Contribute & Test Your Skills
- Sets, Relations & Functions
- Complex Numbers & Quadratic Equations
- Matrices & Determinants
- Mathematical Reasoning
- Mathematical Induction
- Permutations & Combinations
- Sequences & Series
- Continuity
- Integral Calculus
- Differential Equations
- Binomial Theorem
- Co-Ordinate Geometry
- Vector Algebra
- Three Dimensional Geometry
- Statistics & Probability
- Trigonometry
- Differentiability
- Functions
- Limits
- Differentiation
- Application of Derivative
- Difinite Integrals
- Area Under The Curve
- Indices & Surds
- Partial Fractions
- Quadratic Equation
- Exponential Logarithmic Series
- Binary Operations
- Computing
- Regular Cartesian Coordinate
- Straight Lines
- Ellipse
- Hyperbola
- Parabola
- Height & Distances
- Inverse Trigonometrical Functions
- Hyperbolic Functions
- Correlation Regression
- Measure of Central Tendency
- Statistics
- Numerical Methods
- Linear Programming
Popular Questions
- If A and B are sets, then A ∩ (B - A) is
- Let A and B be two sets. then
- In rule method the null set is represented by
- Let A and B be subsets of a set X. then
- If A and B are two sets, then A ∩ (A ∪ B) is equal to
- If A = {1,2,3,4} ; B = {a,b} and f is a mapping such that f : A →B, Then A*B is
- A survey shows that 63% of the Americans like cheese whereas 76% like apples.
- Suppose A1,A2,A3,.......,A30 are thirty sets each having 5 elements and B1,B2,......,Bn are n sets each with 3 elements .
- If A and B are two sets, then (A U B)^\ (A^\ B) is equal to
- In a class of 100students, 55 students have passed in maths and 67 students have passed in physics. As given below
- If A and B are two sets then (A - B) ∪ (B - A) ∪ (A ∩ B) is equal to
- The value of (A ⋃ B  ⋃ C) ⋂ (A ⋂ B^c ⋂ C^c) ⋂ C^c, is
- Sets A and B have 3 and 6 elements respectively.
- Let A and B be two sets containing four and two elements respectively. Further as given below
- In a town of 10000 families it was found that 40% family buy newspaper A, 20% families buy newspaper B and 10% families buy newspa..
- If A, B and C are non-empty sets, then (A-B) ∪ (B-A) equals
- Let Z be the set of integers. If
- In an exam, 50 of them failed in maths, 45 failed in physics, 40 failed in bio and 32 failed in exactly two of three subjects. Fur..
- Out of 800 boys in a school, 224 played cricket, 240 played hockey and 336 played basketball. Of the total,
- Of the members of three athletic teams in a school 21 are in the cricket team, 26 are in the hockey team and 29 are in the footbal..
- In a class of 100 students, 55 students have passed in mathematics and 67 students have passed in physics. Then
- If A and R are any two sets then A ∪ (A ∩ B) is equal to
- The number of non-empty subjects of the set{1,2,3,4} is
- Let a relation R be defined by R = { (4, 5); (1, 4); (4, 6); (7, 6); (3, 7) } then R^-1oR is
- Let R ={(1, 3), (2, 2), (3, 2)} and S = {(2, 1), (3, 2), (2, 3) } be two relations on set A = {1, 2, 3}. Then RoS =
- The relation R = { ( 1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3) } on set A = { 1, 2, 3, } is
- A class has 175 students. The following data shows the number of students obtaining one or more subjects.
- Let A and B be two sets containing four and two elements respectively. Then
- In a battle 70% of the combatants lost one eye, 80% an ear, 75% an arm, 85% a leg, x% lost all the four limbs. The minimum value ..
- Let W denote the words in the English dictionary. Define relation R by
- There is a group of 265 persons who like either singing or dancing or painting. In this group, 200 like singing, 110 like dancing ..
- There are 100 students in a class. In an examination, 50 of them failed in mathematics, 45 failed in physics, 40 failed in biology..
- x^2 = xy is a relation which is
- Two finite sets A and B have m and n elements, respectively. If the total number of subsets of A is 112 more than the total number..
- With reference to a universal set, the inclusion of a subset in another, is relation, which is
- Out of 64 students, the number of students taking Mathematics is 45 and number of students taking both Mathematics and Biology is ..
- If f : R --> R and is defined by
- A survey shows that 63per of the Americans like cheese whereas 76per like apples. If x per of the Americans like both cheese and ..
- If A and B are given sets, then A ∩ (A ∩ B)^c is equal to
- If A = {x:x^2 - 5x + 6 = 0}, B = {2,4}, C = {4,5}, then A*(B intersection C) is
