# Tricks When Playing Chess

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## In a group of student 30 play chess 19 play

Ask: In a group of student
30 play chess
19 play vollyball
14 play vollyball,chess

where is the complete question ?

## Each student in a class of 40 plays at least

Ask: Each student in a class of 40 plays at least one indoor game chess, carrom and scrabble. 18

play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble

and carrom and 4 play chess, carrom and scrabble. Find the number of students who play (i)

chess and carrom. (ii) chess, carrom but not scrabble.​

10, 6

Step-by-step explanation:

Let A be the set of students who play chess

B be the set of students who play scrabble

C be the set of students who play carrom

Therefore, We are given n(A ∪ B ∪ C) = 40,

n(A) = 18,         n(B) = 20         n(C) = 27,

n(A ∩ B) = 7,     n(C ∩ B) = 12    n(A ∩ B ∩ C) = 4

We have

n(A ∪ B ∪ C) = n(A) + n(B) + n(C) – n(A ∩ B) – n(B ∩ C) – n(C ∩ A) + n(A ∩ B ∩ C)

Therefore, 40 = 18 + 20 + 27 – 7 – 12 – n(C ∩ A) + 4

40 = 69 – 19 – n(C ∩ A)

40 = 50 – n(C ∩ A) n(C ∩ A) = 50 – 40

n(C ∩ A) = 10

Therefore, Number of students who play chess and carrom are 10.

Also, number of students who play chess, carrom and not scrabble.

= n(C ∩ A) – n(A ∩ B ∩ C)

= 10 – 4

= 6

## In a group of student 30 play chess 19 play

Ask: In a group of student
30 play chess
19 play vollyball
14 play vollyball,chess

Step-by-step explanation:

Wala po kayong ibinigay na directions

## what is the objective of chess and its nature when

Ask: what is the objective of chess and its nature when played?​

The objective of each player is to place the opponent´s king “under attack” in such a way that the opponent has no legal move which would avoid the ‘capture’ of the king on the following move. The player who achieves this goal is said to have “checkmated” the opponent´s king and to have won the game.

## What are the skills that should be learned by students

Ask: What are the skills that should be learned by students when playing chess​

## In a group of student 30 play chess 19 play

Ask: In a group of student

30 play chess

19 play vollyball

14 play vollyball,chess

where is the complete question ?

## In a group of student 30 play chess 19 play

Ask: In a group of student
30 play chess
19 play vollyball
14 play vollyball,chess

where po yung question ?

## 11. play, could, he, young, was, chess, when, he​

Ask: 11. play, could, he, young, was, chess, when, he​

When he was young, he could play chess.

He could play chess when he was young.

## Which of the following is NOT true about chess?A. the

A. the game ends when the king is captured
B. chess is a strategy board game
C. chess is played between two player
D. chess originated in Europe​

D.Chess originated in Europe

D.

Explanation:

The origin of chess remains a matter of controversy. There is no credible evidence that chess existed in a form approaching the modern game before the 6th century CE. Game pieces found in Russia, China, India, Central Asia, Pakistan, and elsewhere that have been determined to be older than that are now regarded as coming from earlier distantly related board games, often involving dice and sometimes using playing boards of 100 or more squares.

Thanks me later

## Each student in a class of 40 plays at least

Ask: Each student in a class of 40 plays at least one indoor game: chess, carrom and scrabble. 18 play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble and carrom and 4 play chess, carrom and scrabble. Find the number of students who play (B) chess and carrom