Crack IBPS PO:Aptitude Miscellaneous Day 22
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IBPS PO Study Planner
Aptitude Misc day 22
No.of Questions: 10
Time : 10 Minutes
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Question 1 of 10
1. Question
1 points
Category: Aptitude
1.The ages of Ravi and Rohan are in the ratio of 1:3.After 12 years the ratio of their ages will be 5:11.What is the difference between their ages?





Correct
Explanation:
Ravi/Rohan=1x/3x
After 12 years=1x+12/3x+12=5/11
x=18
Ravi=18
Rohan=3*18=54
Difference=5418=36years
Incorrect
Explanation:
Ravi/Rohan=1x/3x
After 12 years=1x+12/3x+12=5/11
x=18
Ravi=18
Rohan=3*18=54
Difference=5418=36years

Question 2 of 10
2. Question
1 points
Category: Aptitude
2.What will be the percentage profit after selling an article at a certain price if there is a loss of 25%.when the article is sold at 1/3 of this selling price?





Correct
Explanation:
Let the Selling Price=x
When the article is sold at 1/3 of selling Price=x/3 there is loss of 25%
Cost Price When Selling Price and Loss is given=100*S.P/100loss
=100*x/3/(10025)
=100x/3*75
=100x/225
C.P =4x/9
Now,Profit Percent=(S.PC.P)*100/C.P
=[(x4x/9)*100]/(4x/9)
=125%
Incorrect
Explanation:
Let the Selling Price=x
When the article is sold at 1/3 of selling Price=x/3 there is loss of 25%
Cost Price When Selling Price and Loss is given=100*S.P/100loss
=100*x/3/(10025)
=100x/3*75
=100x/225
C.P =4x/9
Now,Profit Percent=(S.PC.P)*100/C.P
=[(x4x/9)*100]/(4x/9)
=125%

Question 3 of 10
3. Question
1 points
Category: Aptitude
3.A person bought a chair at 35% discount on the listed price.Had he not got the discount,he would have paid Rs.112 extra.At what price did he buy the chair?





Correct
Explanation:
Listed Price be x
then,x*(35/100)=112
x=320
So,the Person bought the chair for 320112=Rs.208
Incorrect
Explanation:
Listed Price be x
then,x*(35/100)=112
x=320
So,the Person bought the chair for 320112=Rs.208

Question 4 of 10
4. Question
1 points
Category: Aptitude
4.The salary of an employee increase consistently by 20% every year.If his present salary is Rs.11500,then what will be his salary after three years?





Correct
Explanation:
Salary after three years=11500*(120/100)*(120/100)*(120/100)=19872
Incorrect
Explanation:
Salary after three years=11500*(120/100)*(120/100)*(120/100)=19872

Question 5 of 10
5. Question
1 points
Category: Aptitude
5.Find the Compound Interest on Rs.77500 in two years,the rate of interest being 10% for the first year and 12% for the second year?





Correct
Explanation:
CI=P(1+r/100)ⁿP
=(77500*110/100 *110/100)77500
=9548077500
=Rs.17980
Incorrect
Explanation:
CI=P(1+r/100)ⁿP
=(77500*110/100 *110/100)77500
=9548077500
=Rs.17980

Question 6 of 10
6. Question
1 points
Category: Aptitude
6.Pipe X is 3 times faster than Pipe Y in filling a tank,If Pipe Y can fill the tank in 20 minutes ,then how long will it take to fill the tank if both pipes are opened together?





Correct
Explanation:
Let the total Capacity of the tank =20 litres
Y’s Efficiency in 1 Minute=1 Litre
X’s Efficiency in 1 Minute=3(Given in the Question as x is 3 times more efficient than y)
Time taken when Both are Opened together=Total capacity/Total Efficient
=20/4
=5 Minutes
Incorrect
Explanation:
Let the total Capacity of the tank =20 litres
Y’s Efficiency in 1 Minute=1 Litre
X’s Efficiency in 1 Minute=3(Given in the Question as x is 3 times more efficient than y)
Time taken when Both are Opened together=Total capacity/Total Efficient
=20/4
=5 Minutes

Question 7 of 10
7. Question
1 points
Category: Aptitude
7.There are 16 students in a class.Find the number of ways in which 5 students can be chosen to form a group?





Correct
Explanation:
Number of ways=16C5
=16!/5!*11!
=4368 ways
Incorrect
Explanation:
Number of ways=16C5
=16!/5!*11!
=4368 ways

Question 8 of 10
8. Question
1 points
Category: Aptitude
8.A bag contains 4 green 5 red and 7 white balls.three balls are drawn randomly.What is the probability that all three drawn balls are of different colours?





Correct
Explanation:
=4C1*5C1*7C1/16C3
=4*5*7/16*5*7
=1/4
Incorrect
Explanation:
=4C1*5C1*7C1/16C3
=4*5*7/16*5*7
=1/4

Question 9 of 10
9. Question
1 points
Category: Aptitude
9.A man can swim a certain distance downstream in 2 hours and return in 7 hours.If the rate of stream is 5 kmph then what is the speed of man in still water?





Correct
Explanation:
Let the Speed of the man in still water=x kmph
Given that,
distance Covered in Upstream =distance covered in downstream
(x+5 )* 2=(x5)*7
2x+10=7x35
45=5x
9=x
Incorrect
Explanation:
Let the Speed of the man in still water=x kmph
Given that,
distance Covered in Upstream =distance covered in downstream
(x+5 )* 2=(x5)*7
2x+10=7x35
45=5x
9=x

Question 10 of 10
10. Question
1 points
Category: Aptitude
10.The width of a rectangle park is 10/21 of its length .If the area of the park is 3360 sq.m,then what is the difference between the length and width of the park?





Correct
Explanation:
Length=x m
Width=10x/21 m
Area=x*(10x/21)
=10x²/21=3360
=10x²=70560
x²=7056
x=84
Length=84m
Width=10*84/21
=40M
Difference between Length and Width=44metres
Incorrect
Explanation:
Length=x m
Width=10x/21 m
Area=x*(10x/21)
=10x²/21=3360
=10x²=70560
x²=7056
x=84
Length=84m
Width=10*84/21
=40M
Difference between Length and Width=44metres
Quizsummary
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IBPS PO Study Planner
Aptitude Misc day 22
No.of Questions: 10
Time : 10 Minutes
All the Best!!!
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Question 1 of 10
1. Question
1 pointsCategory: Aptitude1.The ages of Ravi and Rohan are in the ratio of 1:3.After 12 years the ratio of their ages will be 5:11.What is the difference between their ages?
Correct
Explanation:
Ravi/Rohan=1x/3x
After 12 years=1x+12/3x+12=5/11
x=18
Ravi=18
Rohan=3*18=54
Difference=5418=36years
Incorrect
Explanation:
Ravi/Rohan=1x/3x
After 12 years=1x+12/3x+12=5/11
x=18
Ravi=18
Rohan=3*18=54
Difference=5418=36years

Question 2 of 10
2. Question
1 pointsCategory: Aptitude2.What will be the percentage profit after selling an article at a certain price if there is a loss of 25%.when the article is sold at 1/3 of this selling price?
Correct
Explanation:
Let the Selling Price=x
When the article is sold at 1/3 of selling Price=x/3 there is loss of 25%
Cost Price When Selling Price and Loss is given=100*S.P/100loss
=100*x/3/(10025)
=100x/3*75
=100x/225
C.P =4x/9
Now,Profit Percent=(S.PC.P)*100/C.P
=[(x4x/9)*100]/(4x/9)
=125%
Incorrect
Explanation:
Let the Selling Price=x
When the article is sold at 1/3 of selling Price=x/3 there is loss of 25%
Cost Price When Selling Price and Loss is given=100*S.P/100loss
=100*x/3/(10025)
=100x/3*75
=100x/225
C.P =4x/9
Now,Profit Percent=(S.PC.P)*100/C.P
=[(x4x/9)*100]/(4x/9)
=125%

Question 3 of 10
3. Question
1 pointsCategory: Aptitude3.A person bought a chair at 35% discount on the listed price.Had he not got the discount,he would have paid Rs.112 extra.At what price did he buy the chair?
Correct
Explanation:
Listed Price be x
then,x*(35/100)=112
x=320
So,the Person bought the chair for 320112=Rs.208
Incorrect
Explanation:
Listed Price be x
then,x*(35/100)=112
x=320
So,the Person bought the chair for 320112=Rs.208

Question 4 of 10
4. Question
1 pointsCategory: Aptitude4.The salary of an employee increase consistently by 20% every year.If his present salary is Rs.11500,then what will be his salary after three years?
Correct
Explanation:
Salary after three years=11500*(120/100)*(120/100)*(120/100)=19872
Incorrect
Explanation:
Salary after three years=11500*(120/100)*(120/100)*(120/100)=19872

Question 5 of 10
5. Question
1 pointsCategory: Aptitude5.Find the Compound Interest on Rs.77500 in two years,the rate of interest being 10% for the first year and 12% for the second year?
Correct
Explanation:
CI=P(1+r/100)ⁿP
=(77500*110/100 *110/100)77500
=9548077500
=Rs.17980
Incorrect
Explanation:
CI=P(1+r/100)ⁿP
=(77500*110/100 *110/100)77500
=9548077500
=Rs.17980

Question 6 of 10
6. Question
1 pointsCategory: Aptitude6.Pipe X is 3 times faster than Pipe Y in filling a tank,If Pipe Y can fill the tank in 20 minutes ,then how long will it take to fill the tank if both pipes are opened together?
Correct
Explanation:
Let the total Capacity of the tank =20 litres
Y’s Efficiency in 1 Minute=1 Litre
X’s Efficiency in 1 Minute=3(Given in the Question as x is 3 times more efficient than y)
Time taken when Both are Opened together=Total capacity/Total Efficient
=20/4
=5 Minutes
Incorrect
Explanation:
Let the total Capacity of the tank =20 litres
Y’s Efficiency in 1 Minute=1 Litre
X’s Efficiency in 1 Minute=3(Given in the Question as x is 3 times more efficient than y)
Time taken when Both are Opened together=Total capacity/Total Efficient
=20/4
=5 Minutes

Question 7 of 10
7. Question
1 pointsCategory: Aptitude7.There are 16 students in a class.Find the number of ways in which 5 students can be chosen to form a group?
Correct
Explanation:
Number of ways=16C5
=16!/5!*11!
=4368 ways
Incorrect
Explanation:
Number of ways=16C5
=16!/5!*11!
=4368 ways

Question 8 of 10
8. Question
1 pointsCategory: Aptitude8.A bag contains 4 green 5 red and 7 white balls.three balls are drawn randomly.What is the probability that all three drawn balls are of different colours?
Correct
Explanation:
=4C1*5C1*7C1/16C3
=4*5*7/16*5*7
=1/4
Incorrect
Explanation:
=4C1*5C1*7C1/16C3
=4*5*7/16*5*7
=1/4

Question 9 of 10
9. Question
1 pointsCategory: Aptitude9.A man can swim a certain distance downstream in 2 hours and return in 7 hours.If the rate of stream is 5 kmph then what is the speed of man in still water?
Correct
Explanation:
Let the Speed of the man in still water=x kmph
Given that,
distance Covered in Upstream =distance covered in downstream
(x+5 )* 2=(x5)*7
2x+10=7x35
45=5x
9=x
Incorrect
Explanation:
Let the Speed of the man in still water=x kmph
Given that,
distance Covered in Upstream =distance covered in downstream
(x+5 )* 2=(x5)*7
2x+10=7x35
45=5x
9=x

Question 10 of 10
10. Question
1 pointsCategory: Aptitude10.The width of a rectangle park is 10/21 of its length .If the area of the park is 3360 sq.m,then what is the difference between the length and width of the park?
Correct
Explanation:
Length=x m
Width=10x/21 m
Area=x*(10x/21)
=10x²/21=3360
=10x²=70560
x²=7056
x=84
Length=84m
Width=10*84/21
=40M
Difference between Length and Width=44metres
Incorrect
Explanation:
Length=x m
Width=10x/21 m
Area=x*(10x/21)
=10x²/21=3360
=10x²=70560
x²=7056
x=84
Length=84m
Width=10*84/21
=40M
Difference between Length and Width=44metres
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