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Q (1-5) Study the given table and answer the following questions

What is the amount of mixture with drawn from vessel Q, if the quantity of B in final mixture is 18 liters and the total initial mixture is 80 liters?

Correct

Answer :2. 32 liters
Solution:
Initially B:
80*5/16 = 25 liters
B in final mixture =18
25-y*5/16 +3 =18
y =32 liters

Incorrect

Answer :2. 32 liters
Solution:
Initially B:
80*5/16 = 25 liters
B in final mixture =18
25-y*5/16 +3 =18
y =32 liters

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Q (1-5) Study the given table and answer the following questions

What is the amount of C added in vessel R, if the total quantity of final mixture is 144 liters?

Correct

Answer :4. 6 liters
Solution:
Total final quantity = 144
C in final quantity = 54
12x-33*12/13 + c =54
so we need to find x value first
A final =45 liters
10x- 10+5 =45
x =5
60-12+c =54
c =6

Incorrect

Answer :4. 6 liters
Solution:
Total final quantity = 144
C in final quantity = 54
12x-33*12/13 + c =54
so we need to find x value first
A final =45 liters
10x- 10+5 =45
x =5
60-12+c =54
c =6

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

Q (1-5) Study the given table and answer the following questions

What will be the final ration in the vessel S, if the final quantity of B is 25 liters?

Q (1-5) Study the given table and answer the following questions

If the final mixture is 15 liters less than initial mixture in vessel T, then what is the initial quantity of A?

Correct

Answer :1. 40 liters
Solution:
27x-24y =15
8x-7y =5
x =5 y=5
A initial = 8x =40

Incorrect

Answer :1. 40 liters
Solution:
27x-24y =15
8x-7y =5
x =5 y=5
A initial = 8x =40

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

B and C are equally efficient, but the efficiency of A is half of each B and C. A and B started a work and 2 days later C joined them. If A alone can do the work in 16 days, then in how many more days the work will be completed?

Correct

Answer :2. 2 Days
Solution:
A’s efficiency is half of B or C
A =16 days B = 8 Days C =8 Days
2(1/16+1/8) + x(1/16+1/8+1/8) =1
x =2

Incorrect

Answer :2. 2 Days
Solution:
A’s efficiency is half of B or C
A =16 days B = 8 Days C =8 Days
2(1/16+1/8) + x(1/16+1/8+1/8) =1
x =2

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

Pipe A can fill the tank in 6 hours, while pipe B can fill it in 9 hours working separately. Pipe C can empty whole the tank in 9 hours. Vijay opened the pipe A and B simultaneously to fill the empty tank. He wanted to adjust his alarm so that he could open the pipe C when it was half-filled, but he mistakenly adjusted his alarm at a time when his tank would be 3/4th filled. What is the time difference between both the cases, to fill the tank fully?

Correct

Answer :2.36 min
Solution:
to fill tank = 18/5 hours
to fill half tank = 9/5 hours
to fill ¾ tank = 27/10 hours
If pipe C is opened tank will be filled in 6 hours
Half tank can be filled in 3 hours
¼ tank can be filled in 3/2 hours
difference = (9/5+3)-(27/10+3/2)
6/10 hr =6/10*60 = 36 min

Incorrect

Answer :2.36 min
Solution:
to fill tank = 18/5 hours
to fill half tank = 9/5 hours
to fill ¾ tank = 27/10 hours
If pipe C is opened tank will be filled in 6 hours
Half tank can be filled in 3 hours
¼ tank can be filled in 3/2 hours
difference = (9/5+3)-(27/10+3/2)
6/10 hr =6/10*60 = 36 min

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

A passenger sitting in a train of length 100 m, which is running with speed of 60 km/h passing through two bridges, notices that he crosses the first bridge and the second bridge in time intervals which are in the ratio of 9:4 respectively. If the length of first bridge be 360 m, then the length of second bridge is?

Correct

Answer :1. 160 m
Solution:
9/4 = 360/x
x =160

Incorrect

Answer :1. 160 m
Solution:
9/4 = 360/x
x =160

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

The diluted wine contains only 8 litres of wine and the rest is water. A new mixture whose concentration is 40%, is to be formed by replacing wine. How many litres of mixture shall be replaced with pure wine if there was initially 32 litres of water in the mixture?

Correct

Answer :4. 10 liters
Solution:
Wine : 8+w-w/5 = 8+4/5w
total = 32+8 = 40
(8+4/5w)/40 = 40%
w =10

Incorrect

Answer :4. 10 liters
Solution:
Wine : 8+w-w/5 = 8+4/5w
total = 32+8 = 40
(8+4/5w)/40 = 40%
w =10

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

8x-13y = 81
5x- 15y = 65

Correct

Answer :1. x>y

Incorrect

Answer :1. x>y

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