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Question 1 of 15
1. Question
1 pointsCategory: Quantitative AptitudeDirections (1 – 5): Study the following table and answer the questions that follow:
The line chart given below represents the number of visitors (in thousands) in countries A, B and C during the period 20082015.
For how many of the given years there is an increase in the number of visitors in all the three countries as compared to the previous year?
Correct
Explanation:
Totals For 2008 = 80, For 2009 = 75, For 2010 = 90, For 2011 = 115, For 2012 = 115
For 2013 = 65, For 2014 = 85, For 2015 = 125
So increase from – 2009 to 20010, 2010 to 2011, 2013 to 2014, 2014 to 2015Incorrect
Explanation:
Totals For 2008 = 80, For 2009 = 75, For 2010 = 90, For 2011 = 115, For 2012 = 115
For 2013 = 65, For 2014 = 85, For 2015 = 125
So increase from – 2009 to 20010, 2010 to 2011, 2013 to 2014, 2014 to 2015 
Question 2 of 15
2. Question
1 pointsCategory: Quantitative AptitudeDirections (1 – 5): Study the following table and answer the questions that follow:
The line chart given below represents the number of visitors (in thousands) in countries A, B and C during the period 20082015.
The total number of visitors in country C is what percent of the total number of visitors in country A during the given period?
Correct
Explanation:
Total in A = 30+25+30+40+50+35+40+70 = 320
For C = 240
So required % = 240/320 * 100Incorrect
Explanation:
Total in A = 30+25+30+40+50+35+40+70 = 320
For C = 240
So required % = 240/320 * 100 
Question 3 of 15
3. Question
1 pointsCategory: Quantitative AptitudeDirections (1 – 5): Study the following table and answer the questions that follow:
The line chart given below represents the number of visitors (in thousands) in countries A, B and C during the period 20082015.
If the percentage change in the visitors for each of the three countries separately in the year 2016 over the year 2015 is same as that in the year 2015 over the year 2014, then what will be the total number of visitors in all the three countries together in the year 2016?
Correct
Explanation:
For C, % decrease = 2015 / 20 * 100 = 25%, so in 2016 = 75/100 * 15 = 11.25
For B, % increase = 4025 / 25 * 100 = 60%, so in 2016 = 160/100 * 40 = 64
For A, % increase = 7040 / 40 * 100 = 75%, so in 2016 = 175/100 * 70 = 122.5
Total = 11.25+64+122.5 = 197.75
197.75*1000 = 197750Incorrect
Explanation:
For C, % decrease = 2015 / 20 * 100 = 25%, so in 2016 = 75/100 * 15 = 11.25
For B, % increase = 4025 / 25 * 100 = 60%, so in 2016 = 160/100 * 40 = 64
For A, % increase = 7040 / 40 * 100 = 75%, so in 2016 = 175/100 * 70 = 122.5
Total = 11.25+64+122.5 = 197.75
197.75*1000 = 197750 
Question 4 of 15
4. Question
1 pointsCategory: Quantitative AptitudeDirections (1 – 5): Study the following table and answer the questions that follow:
The line chart given below represents the number of visitors (in thousands) in countries A, B and C during the period 20082015.
For how many of the given years, there is either an increase or decrease in the number of visitors in each of the three countries when compared to the previous year?
Correct
Explanation:
From 2010 to 2011, all increase
From 2012 to 2013, all decrease
From 2013 to 2014, all increaseIncorrect
Explanation:
From 2010 to 2011, all increase
From 2012 to 2013, all decrease
From 2013 to 2014, all increase 
Question 5 of 15
5. Question
1 pointsCategory: Quantitative AptitudeDirections (1 – 5): Study the following table and answer the questions that follow:
The line chart given below represents the number of visitors (in thousands) in countries A, B and C during the period 20082015.
What is the percentage increase in the number of visitors in all the three countries together in 2015 with respect to 2008?
Correct
Explanation:
In 2008, total = 40+30+10 = 80
In 2015, total = 70+40+15 = 125
%increase = (12580)/80 * 100Incorrect
Explanation:
In 2008, total = 40+30+10 = 80
In 2015, total = 70+40+15 = 125
%increase = (12580)/80 * 100 
Question 6 of 15
6. Question
1 pointsCategory: Quantitative AptitudeThe speed of boat A is 3 km/hr less than the speed of boat B. The time taken by boat A to travel a distance of 18 km downstream is 1 hour more than time taken by B to travel the same distance downstream. If the speed of the current is half of the speed of boat A, what is the speed of boat B?
Correct
Explanation:
Speed of A = x, then of B = x+3
Speed of current = x/2
So downstream speed from boat A = x + x/2 = 3x/2
downstream speed from boat B = x+3 + x/2 = 3x/2 + 3
so 18/(3x/2) = 18/(3x/2 + 3) + 1
36/3x = 36/(3x+6) + 1
12/x = 12/(x+2) + 1
12(x+2) = 12x + x(x+2)
x^{2} + 2x – 24 = 0
solve, x = 4Incorrect
Explanation:
Speed of A = x, then of B = x+3
Speed of current = x/2
So downstream speed from boat A = x + x/2 = 3x/2
downstream speed from boat B = x+3 + x/2 = 3x/2 + 3
so 18/(3x/2) = 18/(3x/2 + 3) + 1
36/3x = 36/(3x+6) + 1
12/x = 12/(x+2) + 1
12(x+2) = 12x + x(x+2)
x^{2} + 2x – 24 = 0
solve, x = 4 
Question 7 of 15
7. Question
1 pointsCategory: Quantitative AptitudeArea of rectangle whose breadth is 2/3rd the radius of circle is 924 less than the area of circle. If length of rectangle is 33 m, then what is the breadth of the rectangle?
Correct
Explanation:
Radius = x, so breadth = (2x/3), length = 33
So l × b = ᴨr^{2} – 924
(2x/3) * 33 = (22/7)x^{2} – 924
x = x^{2}/7 – 42
x^{2} – 7x – 42 = 0
solve, x = 21
so breadth = 2*21/3Incorrect
Explanation:
Radius = x, so breadth = (2x/3), length = 33
So l × b = ᴨr^{2} – 924
(2x/3) * 33 = (22/7)x^{2} – 924
x = x^{2}/7 – 42
x^{2} – 7x – 42 = 0
solve, x = 21
so breadth = 2*21/3 
Question 8 of 15
8. Question
1 pointsCategory: Quantitative AptitudeA, B and C can do a piece of work in 20, 40 and 60 days respectively. A starts the work and is assisted by B and C on every alternate day starting with B on the first day. What is the number of days in which the work will get completed this way?
Correct
Explanation:
Work done on first day by A and B = (1/20 + 1/40) = 3/40
Work done on second day by A and C = (1/20 + 1/60) = 4/60 = 1/15
So work done in 2 days = 3/40 + 1/15 = 17/120
Multiply by 7 both sides to make 17/120 near to 1
This gives
work done in 2*7 days = 17*7/120 = 119/120
so after 14 days, work left is 1 – 119/120 = 1/120
on 15th day A and B’s turn, they do 3/40 work in 1 day so 1/120 work in (1/120)*(40/3) = 1/9th day. So total 14 1/9 daysIncorrect
Explanation:
Work done on first day by A and B = (1/20 + 1/40) = 3/40
Work done on second day by A and C = (1/20 + 1/60) = 4/60 = 1/15
So work done in 2 days = 3/40 + 1/15 = 17/120
Multiply by 7 both sides to make 17/120 near to 1
This gives
work done in 2*7 days = 17*7/120 = 119/120
so after 14 days, work left is 1 – 119/120 = 1/120
on 15th day A and B’s turn, they do 3/40 work in 1 day so 1/120 work in (1/120)*(40/3) = 1/9th day. So total 14 1/9 days 
Question 9 of 15
9. Question
1 pointsCategory: Quantitative AptitudeHow many words can be made consisting of 2 consonants and 2 vowels out of 8 consonants and 3 vowels available?
Correct
Explanation:
For consonants, ways are 8C2 and for vowels, ways are 3C2
And for 4 words arrangement, ways are = 4!
So total = 8C2 * 3C2 * 4!Incorrect
Explanation:
For consonants, ways are 8C2 and for vowels, ways are 3C2
And for 4 words arrangement, ways are = 4!
So total = 8C2 * 3C2 * 4! 
Question 10 of 15
10. Question
1 pointsCategory: Quantitative AptitudeThere are 3 red balls, 5 blue balls and 2 white balls in a bag from which 2 balls are chosen randomly. What is the probability that at most one ball is red?
Correct
Explanation:
Case 1: 0 red ball
7C2/10C2 = 7/15
Case 2: 1 red ball and other any of blue or white
3C1*7C1/10C2 = 7/15
Add the two casesIncorrect
Explanation:
Case 1: 0 red ball
7C2/10C2 = 7/15
Case 2: 1 red ball and other any of blue or white
3C1*7C1/10C2 = 7/15
Add the two cases 
Question 11 of 15
11. Question
1 pointsCategory: Quantitative AptitudeDirections (1115): What will come in place of question mark (?) to complete the series following a certain pattern?
6, 10, 28, 54, 160, ?
Correct
Explanation:
6*2 – 2, 10*3 – 2, 28*2 – 2, 54*3 – 2, 160*2 – 2Incorrect
Explanation:
6*2 – 2, 10*3 – 2, 28*2 – 2, 54*3 – 2, 160*2 – 2 
Question 12 of 15
12. Question
1 pointsCategory: Quantitative AptitudeDirections (1115): What will come in place of question mark (?) to complete the series following a certain pattern?
936, 792, 692, 628, 592, ?
Correct
Explanation:
936 – 12^{2}, 792 – 10^{2}, 692 – 8^{2}, 628 – 6^{2}Incorrect
Explanation:
936 – 12^{2}, 792 – 10^{2}, 692 – 8^{2}, 628 – 6^{2} 
Question 13 of 15
13. Question
1 pointsCategory: Quantitative AptitudeDirections (1115): What will come in place of question mark (?) to complete the series following a certain pattern?
11, 24, 5, 12, 1, ?
Correct
Explanation:
11*2 + 2, 24/3 – 3, 5*2 + 2, 12/3 – 3, 1*2 + 2,Incorrect
Explanation:
11*2 + 2, 24/3 – 3, 5*2 + 2, 12/3 – 3, 1*2 + 2, 
Question 14 of 15
14. Question
1 pointsCategory: Quantitative AptitudeDirections (1115): What will come in place of question mark (?) to complete the series following a certain pattern?
140, 104, 72, 44, 20, ?
Correct
Explanation:
140 – 36, 104 – 32, 72 – 28, 44 – 24, 20 – 20Incorrect
Explanation:
140 – 36, 104 – 32, 72 – 28, 44 – 24, 20 – 20 
Question 15 of 15
15. Question
1 pointsCategory: Quantitative AptitudeDirections (1115): What will come in place of question mark (?) to complete the series following a certain pattern?
5, 14, 26, 41, 59, ?
Correct
Explanation:
5 + 9, 14 + 12, 26 + 15, 41 + 18, 59 + 21Incorrect
Explanation:
5 + 9, 14 + 12, 26 + 15, 41 + 18, 59 + 21
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