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- Question
- In how many days will B alone complete the work?
I. A and B together can complete the work in 8 days.
II. B and C together can complete the work in 10 days.
III. A and C together can complete the work in 12 days.
Options- A. Only I and II
- B. Only II and III
- C. I, II and III
- D. Data is insufficient
- Correct Answer
- I, II and III
Explanation(A + B)'s 1 day's work = 1/8 ..........(i)
(B + C)'s 1 day's work = 1/10 ..........(ii)
(C + A)'s 1 day's work = 1/12 ............(iii)
Add the equation (i), (ii), (iii)
2(A + B + c)'s 1 day's work = 1/8 + 1/10 + 1/12
(A + B + C)'s 1 day's work = 1/2[1/8 + 1/10 + 1/12] ..........(iv)
Subtracting Eq. (iii) from Eq. (iv), we get B's 1 day's work.
then, required number of days = 1/(B's 1 day's work) .
So we need all above 3 statements to solve the given question. - 1. What is the total number of girls enrolled in Painting from all the Institutes together?
Options- A. 1100
- B. 1150
- C. 1200
- D. 1275 Discuss
- 2. Annual mean profit of the store (rupees in ten thousand) is approximately:
Options- A. 8.5
- B. 8.6
- C. 8.7
- D. 9.0 Discuss
- 3. During which of the following successive weeks number of persons killed came down to a minimum level?
Options- A. 28 July - 4 August
- B. 7 July - 14 July
- C. 30 June - 7 July
- D. 21 July - 28 July Discuss
- 4. If the income of Company A in 2002 was $ 600 billion, what was its expenditure?
Options- A. $ 360billion
- B. $ 480 billion
- C. $ 375 billion
- D. Cannot be determined Discuss
- 5. Graph shows that the maximum amount was spent on:
Options- A. Food
- B. Housing
- C. Clothing
- D. Others Discuss
- 6. The production of which type of cars was 25% of the total production of all types of cars during 1993?
Options- A. S
- B. R
- C. Q
- D. P Discuss
- 7. What is the percent increase in the number of Executives recruited by organisation R in 2005 from the previous year? (Rounded off to two digits after decimal)
Options- A. 18.67
- B. 12.92
- C. 16.48
- D. 13.21 Discuss
- 8. What was the percentage drop in the production of food-grains from 1991 to 1992?
Options- A. 15
- B. 20
- C. 25
- D. 30 Discuss
- 9. In the art faculty number of students who have opted the course of stenography is how much percent of the total student in the faculty?
Options- A. 27%
- B. 10%
- C. 18%
- D. 15% Discuss
- 10. If the miscellaneous charges are Rs. 6000, the advertisement charges are:
Options- A. Rs. 10,000
- B. Rs. 12,000
- C. Rs. 25,000
- D. Rs. 27,000 Discuss
More questions
Correct Answer: 1100
Explanation:
Total number of girls enrolled in Painting = 250 + 225 + 15 + 175 + 300 + = 1100
Correct Answer: 8.7
Explanation:
Annual mean profit of the store (rupees in ten thousands)
= (6.5 + 11.5 + 7.5 + 4.5 + 9.5 + 11.5 + 10.0 + 8.5)/8 = 69.5/8 =8.7 (approx.)
Correct Answer: 7 July - 14 July
Explanation:
According to the bar graph, two successive weeks, i.e. 7 July - 14 July shows maximum decline in the number of persons of killed in road accidents.
Correct Answer: $ 375 billion
Explanation:
Correct Answer: Food
Explanation:
From above graph ,
It is clear that the maximum amount was spent on Food , which is 23 % .
Correct Answer: P
Explanation:
Correct Answer: 12.92
Explanation:
Correct Answer: 25
Explanation:
Correct Answer: 27%
Explanation:
Required percentage = (25 + 120) x 100/536 = 100? 27
Correct Answer: Rs. 27,000
Explanation:
Here, miscellaneous charges for 4% = 6000
Then advertisement charges for 18% = 6000 x 18/4 = Rs. 27000
Hence, required advertisement charges = Rs. 27000
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