Crack IBPS PO : Quadratic Equation Day 8
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IBPS PO Study Planner
Quadratic Equation Day 8
No.of Questions: 10
Time : 10 minutes
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Question 1 of 10
1. Question
1 points
Category: Aptitude
D. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 2x^2+5x+1=x^2+2x1
II. 2y^28y+1=5





Correct
(b)
I. 2x^2+5x+1=x^2+2x1
x(x+2)+1(x+2)=0
(x+2)(x+1)=0
x=2, 1
II. 2y^28y+1=5
y^24y+3=0
y=1, 3
So, y>x
Incorrect
(b)
I. 2x^2+5x+1=x^2+2x1
x(x+2)+1(x+2)=0
(x+2)(x+1)=0
x=2, 1
II. 2y^28y+1=5
y^24y+3=0
y=1, 3
So, y>x

Question 2 of 10
2. Question
1 points
Category: Aptitude
D. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. x^2/2+x1/2=1
II. 3y^210y+8=y^2+2y10





Correct
(b)
x=3, 1
y=3, 3
So, y>x
Incorrect
(b)
x=3, 1
y=3, 3
So, y>x

Question 3 of 10
3. Question
1 points
Category: Aptitude
D. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 4x^220x+19=4x1
II. 2y^2=26y84





Correct
(b)
I. 4x^224x+20=0
x^26x+5=0
(x5)(x1)=0
x=5, 1
II. 2y^2=26y84
y^2=13y42
y^213y+42=0
y^27y6y+42=0
(y7)(y6)=0
y=7, 6
So, y>x
Incorrect
(b)
I. 4x^224x+20=0
x^26x+5=0
(x5)(x1)=0
x=5, 1
II. 2y^2=26y84
y^2=13y42
y^213y+42=0
y^27y6y+42=0
(y7)(y6)=0
y=7, 6
So, y>x

Question 4 of 10
4. Question
1 points
Category: Aptitude
D. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. x^2/23/2 x=x3
y^2+y1=42yy^2





Correct
(a)
I. x^2/23/2 x=x3
x^23x=2x6
x^25x+6=0
x=3,2
II. y^2+y1=42yy^2
2y^2+3y5=0
2y^2+5y2y5=0
y=5/2, 1
So, x>y
Incorrect
(a)
I. x^2/23/2 x=x3
x^23x=2x6
x^25x+6=0
x=3,2
II. y^2+y1=42yy^2
2y^2+3y5=0
2y^2+5y2y5=0
y=5/2, 1
So, x>y

Question 5 of 10
5. Question
1 points
Category: Aptitude
D. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 6x^2+13x=12x
II. 1+2y^2=2y+5y/6





Correct
(e)
I. 6x^2+13x=12x
3x^2+7x6=0
(x+3)(3x2)=0
x= 3, 2/3
II. 1+2y^2=2y+5y/6
1+2y^2=17/16 y
12y^217y+6=0
12y^28y9y+6=0
y=2/3, 3/4
So, x≤y
Incorrect
(e)
I. 6x^2+13x=12x
3x^2+7x6=0
(x+3)(3x2)=0
x= 3, 2/3
II. 1+2y^2=2y+5y/6
1+2y^2=17/16 y
12y^217y+6=0
12y^28y9y+6=0
y=2/3, 3/4
So, x≤y

Question 6 of 10
6. Question
1 points
Category: Aptitude
D.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. x^2=169
II. y√144=0





Correct
(e)
I. x=±13
II. y=12
So, No relationship cannot be determined
Incorrect
(e)
I. x=±13
II. y=12
So, No relationship cannot be determined

Question 7 of 10
7. Question
1 points
Category: Aptitude
D.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. 12x^2+11x+12=10x^2+22x
II. 13y^218y+3=9y^210y





Correct
(b)
I. 12x^2+11x+12=10x^2+22x
2x^211x+12=0
(x4)(2x3)=0
x=4, 3/2
II. 13y^218y+3=9y^210y
4y^28y+3=0
(2y3)(2y1)=0
y=3/2, 1/2
So, x≥y
Incorrect
(b)
I. 12x^2+11x+12=10x^2+22x
2x^211x+12=0
(x4)(2x3)=0
x=4, 3/2
II. 13y^218y+3=9y^210y
4y^28y+3=0
(2y3)(2y1)=0
y=3/2, 1/2
So, x≥y

Question 8 of 10
8. Question
1 points
D.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. 18/x^2 +6/x12/x^2 =8/x^2
II. y^3+9.68+5.64=16.95





Correct
(c)
I. 18/x^2 +6/x12/x^2 =8/x^2
6x+6=8
x=2/6=0.33
II. y^3+9.68+5.64=16.95
y^3=16.9515.32
y^3=1.63
y=∛1.63
y=1.176
So, x < y
Incorrect
(c)
I. 18/x^2 +6/x12/x^2 =8/x^2
6x+6=8
x=2/6=0.33
II. y^3+9.68+5.64=16.95
y^3=16.9515.32
y^3=1.63
y=∛1.63
y=1.176
So, x < y

Question 9 of 10
9. Question
1 points
Category: Aptitude
D.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. √1225x+√4900=0
II. (81)^(1/4) y+(343)^(1/3) =0





Correct
(a)
I. x= 2
II. y= 2.33
Incorrect
(a)
I. x= 2
II. y= 2.33

Question 10 of 10
10. Question
1 points
Category: Aptitude
D.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. ((2)^5+(11)^3)/6=x^3
II. 4y^3=(589÷4)+5y^3





Correct
(a)
I. x^3=227.167
x=6.101
II. y^3=147.25
y=5.280
So, x>y
Incorrect
(a)
I. x^3=227.167
x=6.101
II. y^3=147.25
y=5.280
So, x>y
Quizsummary
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Information
IBPS PO Study Planner
Quadratic Equation Day 8
No.of Questions: 10
Time : 10 minutes
All the Best!!!
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Quiz is loading...
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Categories
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 Answered
 Review

Question 1 of 10
1. Question
1 pointsCategory: AptitudeD. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 2x^2+5x+1=x^2+2x1
II. 2y^28y+1=5
Correct
(b)
I. 2x^2+5x+1=x^2+2x1
x(x+2)+1(x+2)=0
(x+2)(x+1)=0
x=2, 1
II. 2y^28y+1=5
y^24y+3=0
y=1, 3
So, y>x
Incorrect
(b)
I. 2x^2+5x+1=x^2+2x1
x(x+2)+1(x+2)=0
(x+2)(x+1)=0
x=2, 1
II. 2y^28y+1=5
y^24y+3=0
y=1, 3
So, y>x

Question 2 of 10
2. Question
1 pointsCategory: AptitudeD. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. x^2/2+x1/2=1
II. 3y^210y+8=y^2+2y10
Correct
(b)
x=3, 1
y=3, 3
So, y>x
Incorrect
(b)
x=3, 1
y=3, 3
So, y>x

Question 3 of 10
3. Question
1 pointsCategory: AptitudeD. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 4x^220x+19=4x1
II. 2y^2=26y84
Correct
(b)
I. 4x^224x+20=0
x^26x+5=0
(x5)(x1)=0
x=5, 1
II. 2y^2=26y84
y^2=13y42
y^213y+42=0
y^27y6y+42=0
(y7)(y6)=0
y=7, 6
So, y>x
Incorrect
(b)
I. 4x^224x+20=0
x^26x+5=0
(x5)(x1)=0
x=5, 1
II. 2y^2=26y84
y^2=13y42
y^213y+42=0
y^27y6y+42=0
(y7)(y6)=0
y=7, 6
So, y>x

Question 4 of 10
4. Question
1 pointsCategory: AptitudeD. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. x^2/23/2 x=x3
y^2+y1=42yy^2
Correct
(a)
I. x^2/23/2 x=x3
x^23x=2x6
x^25x+6=0
x=3,2
II. y^2+y1=42yy^2
2y^2+3y5=0
2y^2+5y2y5=0
y=5/2, 1
So, x>y
Incorrect
(a)
I. x^2/23/2 x=x3
x^23x=2x6
x^25x+6=0
x=3,2
II. y^2+y1=42yy^2
2y^2+3y5=0
2y^2+5y2y5=0
y=5/2, 1
So, x>y

Question 5 of 10
5. Question
1 pointsCategory: AptitudeD. 15) In the following questions, two equations A and B are given. You have to solve both the equations and give answer:
I. 6x^2+13x=12x
II. 1+2y^2=2y+5y/6
Correct
(e)
I. 6x^2+13x=12x
3x^2+7x6=0
(x+3)(3x2)=0
x= 3, 2/3
II. 1+2y^2=2y+5y/6
1+2y^2=17/16 y
12y^217y+6=0
12y^28y9y+6=0
y=2/3, 3/4
So, x≤y
Incorrect
(e)
I. 6x^2+13x=12x
3x^2+7x6=0
(x+3)(3x2)=0
x= 3, 2/3
II. 1+2y^2=2y+5y/6
1+2y^2=17/16 y
12y^217y+6=0
12y^28y9y+6=0
y=2/3, 3/4
So, x≤y

Question 6 of 10
6. Question
1 pointsCategory: AptitudeD.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. x^2=169
II. y√144=0
Correct
(e)
I. x=±13
II. y=12
So, No relationship cannot be determined
Incorrect
(e)
I. x=±13
II. y=12
So, No relationship cannot be determined

Question 7 of 10
7. Question
1 pointsCategory: AptitudeD.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. 12x^2+11x+12=10x^2+22x
II. 13y^218y+3=9y^210y
Correct
(b)
I. 12x^2+11x+12=10x^2+22x
2x^211x+12=0
(x4)(2x3)=0
x=4, 3/2
II. 13y^218y+3=9y^210y
4y^28y+3=0
(2y3)(2y1)=0
y=3/2, 1/2
So, x≥y
Incorrect
(b)
I. 12x^2+11x+12=10x^2+22x
2x^211x+12=0
(x4)(2x3)=0
x=4, 3/2
II. 13y^218y+3=9y^210y
4y^28y+3=0
(2y3)(2y1)=0
y=3/2, 1/2
So, x≥y

Question 8 of 10
8. Question
1 pointsD.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. 18/x^2 +6/x12/x^2 =8/x^2
II. y^3+9.68+5.64=16.95
Correct
(c)
I. 18/x^2 +6/x12/x^2 =8/x^2
6x+6=8
x=2/6=0.33
II. y^3+9.68+5.64=16.95
y^3=16.9515.32
y^3=1.63
y=∛1.63
y=1.176
So, x < y
Incorrect
(c)
I. 18/x^2 +6/x12/x^2 =8/x^2
6x+6=8
x=2/6=0.33
II. y^3+9.68+5.64=16.95
y^3=16.9515.32
y^3=1.63
y=∛1.63
y=1.176
So, x < y

Question 9 of 10
9. Question
1 pointsCategory: AptitudeD.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. √1225x+√4900=0
II. (81)^(1/4) y+(343)^(1/3) =0
Correct
(a)
I. x= 2
II. y= 2.33
Incorrect
(a)
I. x= 2
II. y= 2.33

Question 10 of 10
10. Question
1 pointsCategory: AptitudeD.610) In the following questions, two equations A and B are given. You have to solve both the equations and Give answer:
I. ((2)^5+(11)^3)/6=x^3
II. 4y^3=(589÷4)+5y^3
Correct
(a)
I. x^3=227.167
x=6.101
II. y^3=147.25
y=5.280
So, x>y
Incorrect
(a)
I. x^3=227.167
x=6.101
II. y^3=147.25
y=5.280
So, x>y