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Question 1 of 10

1 points

Category: Quantitative Aptitude

Q (1-5) Study the following graph carefully to answer these questions.Percentage rise in population of two states from previous year

If total population of two states in 2008 was 85 thousands, what was the total population of two states in 2009? (in thousand)

Question 2 of 10

1 points

Category: Quantitative Aptitude

Q (1-5) Study the following graph carefully to answer these questions.Percentage rise in population of two states from previous year

If the ratio between the population of Punjab and Chennai in year 2011 was 2 : 3 respectively, what was the respective ratio in 2010 ?

Correct
Explanation:
(X*130/100)/(y*140/100)=2/3
x/y=28/39

Incorrect
Explanation:
(X*130/100)/(y*140/100)=2/3
x/y=28/39

Question 3 of 10

1 points

Category: Quantitative Aptitude

Q (1-5) Study the following graph carefully to answer these questions.Percentage rise in population of two states from previous year

If population of Punjab in 2008 was 20 thousand, what was the average population of state in 2008, 2009 and 2010 together ?

Correct
Explanation:
2008=20
2009=20*1.25=25
2010=25*1.35=33.75
Average=20+25+33.75/3=26.25

Incorrect
Explanation:
2008=20
2009=20*1.25=25
2010=25*1.35=33.75
Average=20+25+33.75/3=26.25

Question 4 of 10

1 points

Category: Quantitative Aptitude

Q (1-5) Study the following graph carefully to answer these questions.Percentage rise in population of two states from previous year

What was the effective percentage increase in population of Punjab from 2011 to 2013 ?

Correct
Explanation:
2011=100
2012=140
2013=140*1.45=203
Increase=103

Incorrect
Explanation:
2011=100
2012=140
2013=140*1.45=203
Increase=103

Question 5 of 10

1 points

Category: Quantitative Aptitude

Q (1-5) Study the following graph carefully to answer these questions.Percentage rise in population of two states from previous year

If population of Chennai in 2010 was 80 thousand, what was its approximate population in 2008 ? (in thousand) ?

Correct
Explanation:
X*1.2*1.3=80
X=51.30

Incorrect
Explanation:
X*1.2*1.3=80
X=51.30

Question 6 of 10

1 points

Category: Quantitative Aptitude

I.x^{2} – 29x + 208 = 0
II.y^{3} = 2197

Incorrect
Explanation:
I.x^{2} – 29x + 208 = 0
x^{2} – 16x – 13x + 208 = 0
x(x-16)-13(x-16)= 0
(x-13)(x-16)=0
x=13, 16
II.y^{3} = 2197
y=13
x≥y

Question 7 of 10

1 points

Category: Quantitative Aptitude

I.3x^{2} – 13x + 14 = 0
II.2y^{2} – 29y + 50 = 0

Correct
Explanation:
I.3x^{2} – 13x + 14 = 0
3x^{2 } – 6x – 7x + 14 = 0
3x(x-2)-7(x-2)= 0
(3x-7)(x-2)=0
x=7/3, 2
II.2y^{2} – 29y + 50 = 0
2y^{2} – 4y – 25y + 50 = 0
2y(y-2) – 25(y-2) = 0
(2y-25)(y-2)=0
y=2, 25/2

Incorrect
Explanation:
I.3x^{2} – 13x + 14 = 0
3x^{2 } – 6x – 7x + 14 = 0
3x(x-2)-7(x-2)= 0
(3x-7)(x-2)=0
x=7/3, 2
II.2y^{2} – 29y + 50 = 0
2y^{2} – 4y – 25y + 50 = 0
2y(y-2) – 25(y-2) = 0
(2y-25)(y-2)=0
y=2, 25/2

Question 8 of 10

1 points

Category: Quantitative Aptitude

I.x^{2} + 4x – 1517 = 0
II.y^{2} – 45y + 374 = 0

Correct
Explanation:
I.x^{2} + 4x – 1517 = 0
x^{2} + 41x – 37x – 1517 = 0
x(x+41)-37(x+41)= 0
(x-37)(x+41)=0
x= -41, 37
II.y^{2} – 45y + 374 = 0
y^{2} – 11y – 34y + 444 = 0
y(y-11) -34(y-11)=0
(y-11)(y-34)=0
y=11, 34
No relation can be established.

Incorrect
Explanation:
I.x^{2} + 4x – 1517 = 0
x^{2} + 41x – 37x – 1517 = 0
x(x+41)-37(x+41)= 0
(x-37)(x+41)=0
x= -41, 37
II.y^{2} – 45y + 374 = 0
y^{2} – 11y – 34y + 444 = 0
y(y-11) -34(y-11)=0
(y-11)(y-34)=0
y=11, 34
No relation can be established.

Question 9 of 10

1 points

Category: Quantitative Aptitude

I.x^{2} – 32x + 255 = 0
II.y^{2} – 25y +156= 0

Correct
Explanation:
I.x^{2} – 32x + 255 = 0
x^{2} – 15x – 17x + 255 = 0
x(x-15)-17(x-15)=0
(x-15)(x-17)=0
x=15,17
II.y^{2} – 25y + 156 = 0
y^{2} – 12y – 13y + 156= 0
y(y-12)-13(y-12)=0
(y-12)(y-13)=0
y=13, 12
x>y

Incorrect
Explanation:
I.x^{2} – 32x + 255 = 0
x^{2} – 15x – 17x + 255 = 0
x(x-15)-17(x-15)=0
(x-15)(x-17)=0
x=15,17
II.y^{2} – 25y + 156 = 0
y^{2} – 12y – 13y + 156= 0
y(y-12)-13(y-12)=0
(y-12)(y-13)=0
y=13, 12
x>y

Question 10 of 10

1 points

Category: Quantitative Aptitude

I.2x^{2} – 39x + 145 = 0
II.y^{2} -32y + 247= 0

Correct
Explanation:
I.2x^{2 } – 39x + 145 = 0
2x^{2} – 29x – 10x + 145 = 0
x(2x-29)-5(2x-29)= 0
(x-5)(2x-29)=0
x=5, 29/2
II.y^{2} -32y + 247 = 0
y^{2} -13y – 19y + 247 = 0
y (y-13) – 19(y – 13) = 0
(y-19)(y-13)=0
y=19,13

Incorrect
Explanation:
I.2x^{2 } – 39x + 145 = 0
2x^{2} – 29x – 10x + 145 = 0
x(2x-29)-5(2x-29)= 0
(x-5)(2x-29)=0
x=5, 29/2
II.y^{2} -32y + 247 = 0
y^{2} -13y – 19y + 247 = 0
y (y-13) – 19(y – 13) = 0
(y-19)(y-13)=0
y=19,13

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