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- Question
The diagram that identify best represents the relationship among the given classes. Doctor, Smoker, Indian, NonSmoker
Options- A. 1
- B. 2
- C. 3
- D. 4
- Correct Answer
- 4
- 1. Which of the following correctly represents the relationship between A) Peak B) Clouds C) Mountain
Options- A. A)
- B. B)
- C. C)
- D. D) Discuss
- 2. The given ven diagram represents the students who can speak different languages. According to it, the total number of students who can speak exactly two languages is ___.
Options- A. L+M+O
- B. N+L
- C. L+O
- D. L+M+O+N Discuss
- 3. Main street high school has 10 members on its football team and 14 members on its science club. 5 members at the school belong to both the football and science teams. How many students belong to only science club team or football team?
Options- A. 9
- B. 14
- C. 24
- D. 21 Discuss
- 4. Out of 120 students in aschool, 5% can play all the three games Cricket, Chess and Carroms. If so happens that the number of players who can play any and only two games is 30. The number of students who can play the Cricket alone is 40. What is the total number of those who can play Chess alone or Carroms alone ?
Options- A. 45
- B. 44
- C. 46
- D. 24 Discuss
- 5. In a town of 500 people, 285 read Hindu and 212 read Indian Express and 127 read Times of India, 20 read Hindu and Times of India and 29 read Hindu and Indian Express and 35 read Times of India and Indian express . 50 read no news paper . Then how many read only one paper ?
Options- A. 123
- B. 231
- C. 312
- D. 321 Discuss
- 6. Identify the diagram that best represents the relationship among classes given below Tennis fans, Cricket players, Students
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 7. If A + B = 2C and C + D = 2A, then
Options- A. A + C = B + D
- B. A + C = 2D
- C. A + D = B + C
- D. A + C = 2B Discuss
- 8. Find out the two signs to be interchanged for making following equation correct 5 + 3 x 8 - 12 / 4 =3
Options- A. + and -
- B. - and /
- C. + and x
- D. + and / Discuss
- 9. Given interchanges : Signs + and - , numbers 4 and 8.
Options- A. 4 + 8 - 12 = 12
- B. 4 - 8 + 12 = 0
- C. 8 + 4 - 12 = 24
- D. 8 - 4 + 12 = 8 Discuss
- 10. If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and-stands for 'division', then 20 × 8 ÷ 8 - 4 + 2 = ?
Options- A. 80
- B. 25
- C. 24
- D. 5 Discuss
Venn Diagrams problems
Search Results
Correct Answer: C)
Correct Answer: L+M+O
Correct Answer: 9
Correct Answer: 44
Correct Answer: 321
Explanation:
No. of people who read Hindu = 285
No. of people who read TOI = 127
No. of people who read IE = 212
Now,
No. of people who read Hindu and TOI both is = 20
No. of people who read TOI and IE both is = 35
No. of people who read Hindu and IE both is = 29
Let No. of people who read Hindu , TOI and IE all is = x ;
So, only Hindu is = 285-20-29-x = 236-x ;
Only TOI is = 127-20-35-x = 72-x ;
Only IE is = 212-35-29-x = 148-x ;
Now, 236-x + 72-x + 148-x + 20 + 29 + 35 + x + 50 = 500 590 -2x = 500
So, x = 45 this is the value who read all the 3 dailies.
So, No. of people who read only one paper is = 236-45 + 72-45 + 148-45 = 191 + 27 + 103 = 321.
Correct Answer: 1
Correct Answer: A + C = B + D
Explanation:
Given,
A + B = 2C ----(i)
C + D = 2A----(ii)
Adding (i) and (ii) we get : A + B + C + D = 2C + 2A
=> B + D = A + C
Correct Answer: - and /
Explanation:
On interchanging - and /, we get the equation as
5 + 3 x 8 / 12 - 4 = 3
or 5 + 3 x (2/3) - 4 = 3
or 3 = 3, which is true.
Correct Answer: 4 - 8 + 12 = 0
Explanation:
On interchanging + and - and 4 and 8 in (b),
we get the equation as
8 + 4 - 12 = 0
or 12 - 12 = 0
or 0 = 0, which is true.
Correct Answer: 24
Explanation:
By the Given data , We have the expression:
20 + 8 - 8 ÷ 4 × 2 = 20 + 8 - 2 × 2 = 20 + 8 - 4 = 24.
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