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- Question
50 men can complete a work in 28 days. They started the work together, but at the end of each 10th day, 10 men left the job. The work was completed in how many days?
Options- A. 36
- B. 38
- C. 40
- D. 45
- Correct Answer
- 40
- 1. A man can row at 5 km/hr in still water and the velocity of current is 1 km/hr. It takes him 1 hour to row to a place and back. How far is the place?
Options- A. 2.5 km
- B. 2.4 km
- C. 3 km
- D. 3.6 km Discuss
- 2. Salaries of Karthik, Arun and Akhil were in the ratio 4 : 5 : 6 respectively. If their salaries were increased by 50 per cent, 60 per cent and 50 per cent respectively, what will be the new ratio of the salaries of Akhil, Arun and Karthik ?
Options- A. 6 : 8 : 9
- B. 8 : 6 : 9
- C. 9 : 8 : 6
- D. 6 : 5 : 4 Discuss
- 3. In an exam, a candidate secured 504 marks out of the maximum mark of 'M'. If the maximum mark 'M' is converted into 800 marks, he would have secured 384 marks. What is the value of 'M' ?
Options- A. 910
- B. 1000
- C. 970
- D. None of the above Discuss
- 4. A mixture contains alcohol and water in the ratio 4:3. If 5 liters of water is added to the mixture, the ratio becomes 4:5. Find the quantity of alcohol in the given mixture.
Options- A. 8 Liters
- B. 10 Liters
- C. 18 Liters
- D. 22 Liters Discuss
- 5. A, B and C have amounts in the ratio of 3 : 4 : 5. First B gives 1/4th to A and 1/4th to C then C gives 1/6th to A. Find the final ratio of amount of A, B and C respectively.
Options- A. 4:3:5
- B. 5:4:3
- C. 3:4:5
- D. 5:2:5 Discuss
- 6. A man can row 44 km downstream in 4 hours. If the man's rowing rate in still water is 8 km/hr, then find in what time will he cover 25 km upstream?
Options- A. 5 hours
- B. 6 hours
- C. 4.5 hours
- D. 4 hours Discuss
- 7. At a casino in mumbai, there are three tables A, B and C. The payoffs at A is 10:1, at B is 20:1 and at C is 30:1. If a man bets Rs 200 at each table and win at two of the tables, what is the maximum and minimum difference between his earnings can be?
Options- A. Rs.2500
- B. Rs.2000
- C. Rs.4000
- D. None of these Discuss
- 8. What is the equivalent compound ratio of 5:6::7:10::6:5 ?
Options- A. 7 : 9
- B. 9 : 7
- C. 7 : 4
- D. 7 : 10 Discuss
- 9. A company requires 12,100 strength. Present employees are 400 ladies and 6400 gents. To reach the target how many ladies required to maintain the same ratio ?
Options- A. 400
- B. 600
- C. 900
- D. 700 Discuss
- 10. If Rs. 782 be divided into three parts, proportional to 1/2:2/3:3/4, then the first part is:
Options- A. Rs. 408
- B. Rs. 204
- C. Rs. 412
- D. Rs. 220 Discuss
More questions
Correct Answer: 2.4 km
Explanation:
Speed downstream = (5 + 1) km/hr = 6 km/hr
Speed upstream = (5 - 1) km/hr = 4 km/hr
Let the required distance be d km
Then, d/6 + d/4 = 1
? 2d + 3d = 12
? d = 2.4 km
Correct Answer: 9 : 8 : 6
Explanation:
Given the salaries are in the ratio of 4 : 5 : 6
Now the salaries are increased by 50%, 60% and 50% respectively
The New ratio of salaries will be
4 x (150/100) : 5 x (160/100) : 6 x (150/100)
= 6 : 8 : 9
The new ratio of salaries of Akhil, Arun and Karthik is 9 : 8 : 6
Correct Answer: None of the above
Explanation:
504/M = 384/800
(504 x 800) / 384 = M
M = 1050
Correct Answer: 10 Liters
Explanation:
Let the quantity of alcohol and water be 4x liters and 3x liters respectively. Then,
(4x)/(3x+5) = 4/5
=> 20x = 4(3x+5)
=> x = 2.5
Quantity of alcohol = (4 * 2.5) liters = 10 liters.
Correct Answer: 5:2:5
Explanation:
A B C
3x 4x 5x
(3x+x) 2x (5x+x) (B Gives 1/4 to A and 1/4 to C)
=4x 2x 6x
(4x+x) 2x 5x ( C Gives 1/6 to A)
=5x 2x 5x
Therefore, 5 : 2 : 5
Correct Answer: 5 hours
Explanation:
? Man's rate in still water = (man's rate with current + his rate against current)/2
? 8 = 1/2 [ 44/4 + 25/T ]
? 16 = 11 + 25/T
? T = 5 hours
Correct Answer: Rs.4000
Explanation:
Maximum earning will be only when he will won on the maximum yielding table.
A ----> 10:1
B ----> 20:1
C ----> 30:1
i.e, he won on B and C but lost on A
20 x 200 + 30 x 200 -1 x 200 = 9800
minimum earning will be when he won on table A and B and lose on that table 3.
Therefore, 10 x 200 + 20 x 200 - 1 x 200 = 6000-200 = 5800
Therefore, Difference= 9800 - 5800 = 4000
Correct Answer: 7 : 10
Explanation:
Given 5:6 :: 7:10 :: 6:5
We know that compound ratio is calculated as
a:b :: c:d :: e:f
(axcxe):(bxdxf)
=> (5x7x6):(6x10x5)
=> (210):(300)
= 7:10
Correct Answer: 900
Explanation:
6,400 gents, 2400 ladies in that company.
So total 8,800employees.
for 8,800 employees, we want 2400 ladies.
for 12,100employees we want how many ladies ?
=> (12,100/8,800) x 2400 = 3300.
So we want 3300 - 2400 = 900 more ladies.
Correct Answer: Rs. 204
Explanation:
Given ratio = 1/2:2/3:3/4 = 6:8:9
1st part = 782 x 6/23 = Rs. 204.
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