Crack IBPS PO : Quadratic Equation – Day 2
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IBPS PO Quadratic Equation Day  2
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IBPS PO Study Planner
IBPS PO Quadratic Equation Day – 2
No.of Questions: 10
Time : 10 mints
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Question 1 of 10
1. Question
1 pointsCategory: AptitudeIn each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
Correct
8x12x^2=0
x^28x+12=0
x=6, 2
II:y^2+4y+4y9=0
y^2+8y9=0
y=9,1
Hence, x>y
Incorrect
8x12x^2=0
x^28x+12=0
x=6, 2
II:y^2+4y+4y9=0
y^2+8y9=0
y=9,1
Hence, x>y

Question 2 of 10
2. Question
1 pointsCategory: AptitudeIn each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
I: √1600 x+√6400=0
II:(256)^(1/4) y+(729)^(1/3)=0
Correct
a
I: √1600 x+√6400=0
x= 80/40=2
II: (256)^(1/4) y+(729)^(1/3)=0
y=9/4=2.25
Hence, x>y
Incorrect
a
I: √1600 x+√6400=0
x= 80/40=2
II: (256)^(1/4) y+(729)^(1/3)=0
y=9/4=2.25
Hence, x>y

Question 3 of 10
3. Question
1 pointsCategory: AptitudeIn each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
I:x^{2}=824
II:y√824=0
Correct
d
I:x=±28
II:y=+28
Hence, x≤y
Incorrect
d
I:x=±28
II:y=+28
Hence, x≤y

Question 4 of 10
4. Question
1 pointsCategory: AptitudeIn each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
I: x^{2}=(4^{4}+8^{3})/3
II: 6y^{2}+(8×20)=16 y^{2}
Correct
x^{2}=(4^{4}+8^{3})/3 = 256
x=±16
II:10y^2=160
y^2=16
y=±4
Hence, relation cannot be determined
Incorrect
x^{2}=(4^{4}+8^{3})/3 = 256
x=±16
II:10y^2=160
y^2=16
y=±4
Hence, relation cannot be determined

Question 5 of 10
5. Question
1 pointsCategory: AptitudeIn each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
I: 15 x^{2}+16x+4=0
II:2y^{2}+10y+12=0
Correct
a
I: 15 x^2+16x+4=0
x=0.67, 0.4
II: 2y^2+10y+12=0
y=3, 2
Hence, x>y
Incorrect
a
I: 15 x^2+16x+4=0
x=0.67, 0.4
II: 2y^2+10y+12=0
y=3, 2
Hence, x>y

Question 6 of 10
6. Question
1 pointsCategory: AptitudeI: x^22x323=0
II: y^240y+399=0
Correct
d
I: x^22x323=0
x^2+17x19x323=0
(x+17)(x19)=0
x=17 or 19
II: y^240y+399=0
y^219y21y+399=0
(y19)(y21)=0
y=19 or 21
x≤y
Incorrect
d
I: x^22x323=0
x^2+17x19x323=0
(x+17)(x19)=0
x=17 or 19
II: y^240y+399=0
y^219y21y+399=0
(y19)(y21)=0
y=19 or 21
x≤y

Question 7 of 10
7. Question
1 pointsCategory: AptitudeI: x^24x525=0
II: y^2+28y+132=0
Correct
e
I: x^24x525=0
x^225x+21x525=0
(x25)(x+21)=0
x=25 or21
II: y^2+28y+132=0
y^2+22y+6y+132=0
(y+22)(y+6)=0
y=22, 6
relationship can’ t be established
Incorrect
e
I: x^24x525=0
x^225x+21x525=0
(x25)(x+21)=0
x=25 or21
II: y^2+28y+132=0
y^2+22y+6y+132=0
(y+22)(y+6)=0
y=22, 6
relationship can’ t be established

Question 8 of 10
8. Question
1 pointsCategory: AptitudeI: 2x^2x78=0
II: 3y^2+39y+126=0
Correct
c
I: 2x^2x78=0
2x^2+12x13x78=0
(2x13)(x∓6)=0
x=6 or 6.5
II: 3y^2+39y+126=0
3y^2+18y+21y+126=0
(3y+21)(y+6)=0
y=7 or6
x≥y
Incorrect
c
I: 2x^2x78=0
2x^2+12x13x78=0
(2x13)(x∓6)=0
x=6 or 6.5
II: 3y^2+39y+126=0
3y^2+18y+21y+126=0
(3y+21)(y+6)=0
y=7 or6
x≥y

Question 9 of 10
9. Question
1 pointsCategory: AptitudeI: x^3=(16x^4+(232+1.5×4) x^3)/618
II: (y+4)/(y2)=2/3
Correct
a
I: x^3=(16x^4+(232+1.5×4) x^3)/618
618= (x^3 (16x+238))/x^3
16x=380
x=23.75 ,0
II: (y+4)/(y2)=2/3
3y+12=2y4
y=16
x>y
Incorrect
a
I: x^3=(16x^4+(232+1.5×4) x^3)/618
618= (x^3 (16x+238))/x^3
16x=380
x=23.75 ,0
II: (y+4)/(y2)=2/3
3y+12=2y4
y=16
x>y

Question 10 of 10
10. Question
1 pointsCategory: AptitudeI: 2x+7y=87
II: 3x5y+133=0
Correct
b
I: 2x+7y=87
II: 3x5y+133=0
(I) ×3 then 6x+21y=261
(II)×2 then 6x10y+266=0
By solving the above two equation we get
x=16, y=17
x<y
Incorrect
b
I: 2x+7y=87
II: 3x5y+133=0
(I) ×3 then 6x+21y=261
(II)×2 then 6x10y+266=0
By solving the above two equation we get
x=16, y=17
x<y
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3 comments
sir,
i think the answer for the 3rd question is option e…
Answers for the Online test is provided with explanation.You can see the answer after completing the quiz by clicking view summary
I have 2 questions
1) without going for coaching can I crack the clerical exams by practicing from your app daily ?
2) When will you publish the answers for online test?
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