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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Directions for question (1 – 5): Study the following table to answer the questions that follow. Some values are missing. Study the table carefully and answer the questions based on data in table and particular questions.

Distance upstream = Distance downstream (if not stated)
Total time taken = Downstream time + Upstream time On 1st day, if difference between the time taken by the boat to go upstream and the time taken by the boat to go downstream is 20 hours, find the total time taken by the boat to go upstream and downstream.

Correct

Answer : 3. 60
Explanation-
Given: 320/(a-4) – 320/(a+4) = 20
Solve, a = 12 km/hr = speed of boat
So total time = 320/(12-4) + 320/(12+4) = 40 + 20 = 60 hours

Incorrect

Answer : 3. 60
Explanation-
Given: 320/(a-4) – 320/(a+4) = 20
Solve, a = 12 km/hr = speed of boat
So total time = 320/(12-4) + 320/(12+4) = 40 + 20 = 60 hours

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

Directions for question (1 – 5): Study the following table to answer the questions that follow. Some values are missing. Study the table carefully and answer the questions based on data in table and particular questions.

Distance upstream = Distance downstream (if not stated)
Total time taken = Downstream time + Upstream time On 2nd day, if difference between the time taken by the boat to go upstream and the time taken by the boat to go downstream is 45 hours, find the total distance covered by the boat to go upstream and downstream. Downstream speed is 24 km/hr.

Correct

Answer : 4. 720
Explanation-
Let downstream x and upstream y
x+y=75
x-y=45
solving x=15 and y=60, ‘APQ’ DOWN DISTANCE = UP DISTANCE
15*24(SPEED)=360*2=720

Incorrect

Answer : 4. 720
Explanation-
Let downstream x and upstream y
x+y=75
x-y=45
solving x=15 and y=60, ‘APQ’ DOWN DISTANCE = UP DISTANCE
15*24(SPEED)=360*2=720

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Directions for question (1 – 5): Study the following table to answer the questions that follow. Some values are missing. Study the table carefully and answer the questions based on data in table and particular questions.

Distance upstream = Distance downstream (if not stated)
Total time taken = Downstream time + Upstream time On 3rd day, if the boat covered half distance upstream with usual speed and other half with double its speed, then it takes 33 3/4 hours less time than usual time to go upstream. Find the total time taken by the boat to go upstream and downstream.

Correct

Answer : 2. 108
Explanation-
Let speed of boat = a km/hr
So 270/(a-6) – [135/(a-6) + 135/(2a-6)] = 33.75
270/(a-6) – 135/(a-6) – 135/(2a-6) = 33.75
135/(a-6) – 135/(2a-6) = 33.75
1/(a-6) – 1/(2a-6) = 1/4
Solve, a = 9 and 2
Speed of stream = 6 km/hr, so speed of boat = 9 km/hr (speed of boat remains greater than speed of stream) So total time = 270/(9-6) + 270/(9+6) = 90 + 18 = 108 hours

Incorrect

Answer : 2. 108
Explanation-
Let speed of boat = a km/hr
So 270/(a-6) – [135/(a-6) + 135/(2a-6)] = 33.75
270/(a-6) – 135/(a-6) – 135/(2a-6) = 33.75
135/(a-6) – 135/(2a-6) = 33.75
1/(a-6) – 1/(2a-6) = 1/4
Solve, a = 9 and 2
Speed of stream = 6 km/hr, so speed of boat = 9 km/hr (speed of boat remains greater than speed of stream) So total time = 270/(9-6) + 270/(9+6) = 90 + 18 = 108 hours

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

Directions for question (1 – 5): Study the following table to answer the questions that follow. Some values are missing. Study the table carefully and answer the questions based on data in table and particular questions.

Distance upstream = Distance downstream (if not stated)
Total time taken = Downstream time + Upstream time On 4th day, difference between time taken by the boat to cover ‘X’ km upstream and (X+120) km downstream is 26 hours. Had the boat covered same distance upstream as downstream, what would be the difference in time taken then?

Correct

Answer : 4. 56
Explanation-
Downstream speed = 11+7 = 18 km/hr
Upstream speed = 11-7 = 4 km/hr
X/4 – (X+120)/18 = 26
Solve, X = 168 km = Upstream distance
Downstream distance = 168+120 = 288 km
Required time now = 288/4 – 288/18 = 56 hours

Incorrect

Answer : 4. 56
Explanation-
Downstream speed = 11+7 = 18 km/hr
Upstream speed = 11-7 = 4 km/hr
X/4 – (X+120)/18 = 26
Solve, X = 168 km = Upstream distance
Downstream distance = 168+120 = 288 km
Required time now = 288/4 – 288/18 = 56 hours

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

Directions for question (1 – 5): Study the following table to answer the questions that follow. Some values are missing. Study the table carefully and answer the questions based on data in table and particular questions.

Distance upstream = Distance downstream (if not stated)
Total time taken = Downstream time + Upstream time On 5th day, if ratio of speed of boat to speed of stream is 2 : 1, what is the difference between the time taken by the boat to go upstream and the time taken by the boat to go downstream?

Correct

Answer :1. 36 hours
Explanation-
Speeds = 2a, a
So 324/(2a+a) + 324/(2a-a) = 72
Solve, a = 6.So speed of stream is 6 km/hr and speed of boat is 12 km/hr
So difference in time = 324/(12-6) – 324/(12+6) = 54 – 18 = 36 hours

Incorrect

Answer :1. 36 hours
Explanation-
Speeds = 2a, a
So 324/(2a+a) + 324/(2a-a) = 72
Solve, a = 6.So speed of stream is 6 km/hr and speed of boat is 12 km/hr
So difference in time = 324/(12-6) – 324/(12+6) = 54 – 18 = 36 hours

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) Study the following table and answer the questions given below it. Production of different types of Scooters in a company (in thousands)

In which of the following pairs of years was the total production of E-type scooter two lakhs?

Correct

Answer : 5. None of these
Explanation-
By checking all option

Incorrect

Answer : 5. None of these
Explanation-
By checking all option

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) Study the following table and answer the questions given below it. Production of different types of Scooters in a company (in thousands)

In which of the given years the total production of all types of scooters was minimum?

Correct

Answer : 1. 1994
Explanation

In 1992 = 180 +60 +84 + 100 +76=500
In 1993 = 210+90+32+80+48= 460
In 1994 = 135+30+44+95+85=389
In 1995 = 190+85+69+125+115= 584
In 1996 = 260+95+120+ 80+120 = 605
In 1997 = 240+140+161+90+185 = 816
So, the year 1994 has the minimum number of Production

Incorrect

Answer : 1. 1994
Explanation

In 1992 = 180 +60 +84 + 100 +76=500
In 1993 = 210+90+32+80+48= 460
In 1994 = 135+30+44+95+85=389
In 1995 = 190+85+69+125+115= 584
In 1996 = 260+95+120+ 80+120 = 605
In 1997 = 240+140+161+90+185 = 816
So, the year 1994 has the minimum number of Production

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) Study the following table and answer the questions given below it. Production of different types of Scooters in a company (in thousands)

In which of the given years was the production of B-type scooter close to its average production over given years?

Correct

Answer : 1. 1995
Explanation
Average Production of Scooter ‘B’=60+90+30+85+95+140 = 500/6=83.3
Average value is 83.3 is close to year 1995

Incorrect

Answer : 1. 1995
Explanation
Average Production of Scooter ‘B’=60+90+30+85+95+140 = 500/6=83.3
Average value is 83.3 is close to year 1995

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) Study the following table and answer the questions given below it. Production of different types of Scooters in a company (in thousands)

In which year the production of D-type scooters was maximum?

Correct

Answer : 3. 1995
Explanation
D type scooter Production in the year 1992 = 100
D type scooter production in the year 1993 = 80
D type scooter production in the year 1994 = 95
D type scooter production in the year 1995 = 125
D type scooter production in the year 1996 = 80
D type scooter production in the year 1997 = 90
Year 1995 has the maximum number of production

Incorrect

Answer : 3. 1995
Explanation
D type scooter Production in the year 1992 = 100
D type scooter production in the year 1993 = 80
D type scooter production in the year 1994 = 95
D type scooter production in the year 1995 = 125
D type scooter production in the year 1996 = 80
D type scooter production in the year 1997 = 90
Year 1995 has the maximum number of production

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

Q. (6-10) Study the following table and answer the questions given below it. Production of different types of Scooters in a company (in thousands)

What was the average production of A-type scooter in all the years?

Correct

Answer : 1. 202.5
Explanation
Total Production of Scooter A in all the year = 180+210+135+190+260+240= 1215
Average Production of scooter A = 1215/6= 202.5

Incorrect

Answer : 1. 202.5
Explanation
Total Production of Scooter A in all the year = 180+210+135+190+260+240= 1215
Average Production of scooter A = 1215/6= 202.5

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