Deforestation refers to

Important Questions on Sets, Relations and Functions

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In an examination $51\%$ students fail in English and $45\%$ fail in Maths. If $21\%$students fail in both the subjects, then $169$ students pass the examination. What is the total number of students taking the exam?
 

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For the first time in the world, which country has recently appointed a 'Suicide Prevention Minister'?

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If $A=\left\{x\right|x\in N,x$ is a prime number less than $12\}$ and $B=\left\{x\right|$$x\in N$ , $x$ is factor of $10\}$, then $A\cap B$$=$…

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If $A\subset B,$ then $A\mathrm{\Delta }B$ is equal to

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What is "Hausla 2017" that was celebrated from 16 November to 20 November 2017?

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Mathematics>Algebra>Sets, Relations and Functions>Sets and Relations

Two finite sets have $m$ and $n$ elements. The number of subsets of the first set is $112$ more than that of the second. The values of $m$ and $n$ are respectively

EASY

Mathematics>Algebra>Sets, Relations and Functions>Sets and Relations

Let $A=\left\{1,2,3,4,5,6,7,8,9,10\right\}.$ Then the number of subsets of $A$ containing two or three elements is

EASY

Mathematics>Algebra>Sets, Relations and Functions>Sets and Relations

If $\mathrm{A}=\left\{x/x\le 10, x\in \mathrm{N}\right\}$ and $\mathrm{B}=\left\{x/x\le 10, x\in \mathrm{W}\right\}$, then $\mathrm{A}\cap \mathrm{B}=?$

MEDIUM

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Name the Indian elected to the International Control Board by the UN Economic and Social Council on $23$ April $2014$ and re-elected by the Council for a $5$-year term$\left(2020-2025\right)$ on $7$ May $2019$. 

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In _____ economies, all productive resources are owned and controlled by the government.

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A survey shows that $63\%$ of the people in a city read newspaper $A$ whereas $76\%$ read news paper $B$. If  $x\%$ of the people read both the newspapers, then a possible value of $x$ can be:

MEDIUM

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For the promotion of which area was a committee constituted under the Chairmanship of Uday Kotak in 2017?

 

EASY

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A survey shows that $73\%$ of the persons working in an office like coffee, whereas $65\%$ like tea. If $x$ denotes the percentage of them, who like both coffee and tea, then $x$ cannot be:

MEDIUM

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In a group of boys, $25$ play volleyball, $20$ play badminton and $10$boys play cricket. Five boys play all the three games. 8 boys play atleast two of the three games. How many of them play only one game? 

EASY

Mathematics>Algebra>Sets, Relations and Functions>Sets and Relations

If $n\left(A\right)=3, n\left(B\right)=6$ and $A\subseteq B,$ then the number of elements in $\left(A\cup B\right)$ is equal to

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In a class of $175$ students the following data shows the number of students opting one or more subjects. Mathematics $100$, Physics $70$, Chemistry $40$, Mathematics and Physics $30,$ Mathematics and Chemistry $28$, Physics and Chemistry $23$, Mathematics, physics and Chemistry $18$. The number of students who have opted Mathematics alone is

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If $A$ and $B$ are disjoint sets, then $B\cap A^{\text{'}}$, where $A^{\text{'}}$ is complement of $A$, is equal to

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Commercial banks finance rural credit directly and through

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Which of the following state governments started Quit India Movement-2 (Swaraj Se Suraaj) initiative at the historic August Kranti Maidan in August 2016?

 

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On January 16, 2018, the Supreme Court ruled the attacks and interference on adults opting for inter-caste marriage as 'absolutely illegal' in the petition filed by which NGO in 2010?