XAT 2019 Question Paper | XAT QADI

XAT Quantitative Aptitude & Data Interpretation| XAT 2019 Question Paper

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XAT 2019 Question Paper - QADI

A, B, C, D and E are five employees working in a company. In two successive years, each of them got hikes in his salary as follows:
A : p% and (p+1)%,
B : (p+2)% and (p-1)%,
C : (p+3)% and (p-2)%,
D : (p+4)% and (p-3)%,
E : (p+5)% and (p-4)%.

If all of them have the same salary at the end of two years, who got the least hike in his salary?
1. E
2. D
3. C
4. A
5. B
Choice A
E
XAT 2019 Question Paper - QADI

A ﬁrm pays its ﬁve clerks Rs. 15,000 each, three assistants Rs. 40,000 each and its accountant Rs. 66,000. Then the mean salary in the ﬁrm comprising of these nine employees exceeds its median salary by rupees
1. 14000
2. 14600
3. 15200
4. 15480
5. 14720
Choice A
14000
XAT 2019 Question Paper - QADI

Two numbers a and b are inversely proportional to each other. If a increases by 100%, then b decreases by:
1. 200%
2. 100%
3. 150%
4. 80%
5. 50%
Choice E
50%
XAT 2019 Question Paper - QADI

If \\sqrt[3]{7^{a} \times(35)^{b+1} \times(20)^{c+2}}) is a whole number then which one of the statements below is consistent with it?
1. a = 2, b = 1, c = 1
2. a = 1, b = 2, c = 2
3. a = 2, b = 1, c = 2
4. a = 3, b = 1, c = 1
5. a = 3, b = 2, c = 1
Choice E
a = 3, b = 2, c = 1
XAT 2019 Question Paper - QADI

A gold ingot in the shape of a cylinder is melted and the resulting molten metal molded into a few identical conical ingots. If the height of each cone is half the height of the original cylinder and the area of the circular base of each cone is one ﬁfth that of the circular base of the cylinder, then how many conical ingots can be made?
1. 60
2. 10
3. 30
4. 20
5. 40
Choice C
30
XAT 2019 Question Paper - QADI

Given that a and b are integers and that 5 + 2√7 is a root of the polynomial x² – ax + b + 2√7 in x, what is the value of b?
1. 4
2. 2
3. 9
4. 7
5. 14
Choice B
2
XAT 2019 Question Paper - QADI

An article is marked x% above the cost price. A discount of 2/3 x% is given on the marked price. If the profit is 4% of the cost price and the value of x lies between 25 and 50, then the value of 50% of x is?
1. 12
2. 16
3. 13
4. 15
5. 20
Choice D
15
XAT 2019 Question Paper - QADI

A computer is sold either for Rs.19200 cash or for Rs.4800 cash down payment together with five equal monthly installments. If the rate of interest charged is 12% per annum, then the amount of each installment (nearest to a rupee) is:
1. Rs.2880
2. Rs.2965
3. Rs.2896
4. Rs.2990
5. Rs.3016
Choice B
Rs.2965
XAT 2019 Question Paper - QADI

When opening his fruit shop for the day a shopkeeper found that his stock of apples could be perfectly arranged in a complete triangular array: that is, every row with one apple more than the row immediately above, going all the way up ending with a single apple at the top. During any sales transaction, apples are always picked from the uppermost row, and going below only when that row is exhausted.
When one customer walked in the middle of the day she found an incomplete array in display having 126 apples totally. How many rows of apples (complete and incomplete) were seen by this customer? (Assume that the initial stock did not exceed 150 apples.)
1. 15
2. 14
3. 13
4. 12
5. 11
Choice D
12
XAT 2019 Question Paper - QADI

Let P be the point of intersection of the lines 3x + 4y = 2a and 7x + 2y = 2018 and Q the point of intersection of the lines 3x + 4y = 2018 and 5x + 3y = 1 If the line through P and Q has slope 2, the value of a is:
1. 4035
2. ½
3. 3026
4. 1
5. 1009
Choice C
3026
XAT 2019 Question Paper - QADI

Let C be a circle of √20 radius cm. Let L1, L2 be the lines given by 2x − y −1 = 0 and x + 2y−18 = 0, respectively. Suppose that L1 passes through the center of C and that L2 is tangent to C at the point of intersection of L1 and L2. If (a,b) is the center of C, which of the following is a possible value of a + b?
1. 11
2. 17
3. 8
4. 20
5. 14
Choice B
17
XAT 2019 Question Paper - QADI

\\frac{\log (97-56 \sqrt{3})}{\log \sqrt{7+4 \sqrt{3}}}) equals which of the following?
1. None of the others
2. -2
3. -4
4. -3
5. -8
Choice C
-4
XAT 2019 Question Paper - QADI

In the trapezium ABCD the sides AB and CD are parallel. The value of \\frac{\sin \angle \mathrm{BAC}}{\sin \angle \mathrm{BAD}}) is
1. \\frac{\overline{A B}}{\overline{C D}})
2. \\frac{\overline{A C}}{\overline{A D}})
3. \\frac{\overline{B C}}{\overline{A D}})
4. \\frac{\overline{A D}}{\overline{A C}})
5. \\frac{\overline{A C}}{\overline{C D}})
Choice D
\\frac{\overline{A D}}{\overline{A C}})
XAT 2019 Question Paper - QADI

In the picture below, EFGH, ABCD are squares, and ABE, BCF, CDG, DAH are equilateral triangles. What is the ratio of the area of the square EFGH to that of ABCD?
1. √3+2
2. 3+√2
3. 1+√3
4. √2+2
5. √2+√3
Choice A
√3+2
XAT 2019 Question Paper - QADI

What is the maximum number of points that can be placed on a circular disk of radius 1 metre (some of the points could be placed on the bounding circle of the disk) such that no two points are at a distance of less than 1 metre from each other?
1. 6
2. 9
3. 7
4. 8
5. 5
Choice C
7
XAT 2019 Question Paper - QADI

The figure below shows two right angled triangles ∆OAB and ∆OQP with right angles at vertex A and P, respectively, having the common vertex O, The lengths of some of the sides are indicated in the figure. (Note that the figure is not drawn to scale.) AB and OP are parallel. What is ∠QOB?
1. \\tan ^{-1}(2 / 3))
2. 45°
3. 30°
4. \\tan ^{-1}(3 / 2))
5. 60°
Choice B
45°
XAT 2019 Question Paper - QADI

Consider the function f(x) = (x + 4)(x + 6)(x + 8) ⋯ (x + 98). The number of integers x for which f(x) < 0 is:
1. 23
2. 26
3. 24
4. 48
5. 49
Choice C
24
XAT 2019 Question Paper - QADI

Let ABC be an isosceles triangle. Suppose that the sides AB and AC are equal and let the length of AB be x cm. Let b denote the angle ∠ABC and sin b = 3/5. If the area of the triangle ABC is M square cm, then which of the following is true about M?
1. M < \\frac{x^{2}}{4})
2. M ≥ x²
3. \\frac{3 x^{2}}{4}) ≤ M < x²
4. \\frac{x^{2}}{2}) ≤M < \\frac{3 x^{2}}{4})
5. \\frac{x^{2}}{4}) ≤ M < \\frac{x^{2}}{2})
Choice E
\\frac{x^{2}}{4}) ≤ M < \\frac{x^{2}}{2})
XAT 2019 Question Paper - QADI

If \x^{2}+x+1=0, \text { then } x^{2018}+x^{2019}) then equals which of the following:
1. x + 1
2. x
3. -x
4. None of the others
5. x - 1
Choice C
-x
XAT 2019 Question Paper - QADI

We have two unknown positive integers m and n, whose product is less than 100.
There are two additional statement of facts available:
1. mn is divisible by six consecutive integers { j, j + 1,...,j + 5 }
2. m + n is a perfect square.

Which of the two statements above, alone or in combination shall be sufficient to determine the numbers m and n?
1. Each statement alone is suﬃcient to answer the question.
2. Both statements taken together are suﬃcient to answer the question, but neither statement alone is suﬃcient.
3. Statement 2 alone is suﬃcient, but statement 1 alone is not suﬃcient to answer the question.
4. Statements 1 and 2 together are not suﬃcient, and additional data is needed to answer the question.
5. Statement 1 alone is suﬃcient, but statement 2 alone is not suﬃcient to answer the question.
Choice B
Both statements taken together are suﬃcient to answer the question, but neither statement alone is suﬃcient.
XAT 2019 Question Paper - QADI

A bag contains marbles of three colours-red, blue and green. There are 8 blue marbles in the bag. There are two additional statement of facts available:
1. If we pull out marbles from the bag at random, to guarantee that we have at least 3 green marbles, we need to extract 17 marbles.
2. If we pull out marbles from the bag at random, to guarantee that we have at least 2 red marbles, we need to extract 19 marbles.

Which of the two statements above, alone or in combination shall be sufficient to answer the question "how many green marbles are there in the bag"?
1. Statement 1 alone is suﬃcient, but statement 2 alone is not suﬃcient to answer the question.
2. Statement 2 alone is suﬃcient, but statement 1 alone is not suﬃcient to answer the question.
3. Statements 1 and 2 together are not suﬃcient, and additional data is needed to answer the question.
4. Each statement alone is suﬃcient to answer the question.
5. Both statements taken together are suﬃcient to answer the question, but neither statement alone is suﬃcient.
Choice B
Statement 2 alone is suﬃcient, but statement 1 alone is not suﬃcient to answer the question.

The break-up of the students in a university by subject major is given in the polar pie-chart. The bar chart shows the number of students who major in physics by geographic location.

Pie Chart and Table to answer the Questions

XAT 2019 Question Paper - QADI

How many students major in chemistry?
1. 200
2. 175
3. 170
4. 190
5. 180
Choice B
175
XAT 2019 Question Paper - QADI

If the proportion of physics majors who are from Delhi is the same as the proportion of engineering majors who are from Delhi, how many engineering majors are from Delhi?
1. 22
2. 26
3. 18
4. 20
5. 24
Choice D
20
XAT 2019 Question Paper - QADI

12% of all students are from Chennai. What is the largest possible percentage of economics students that can be from Chennai, rounded oﬀ to the nearest integer?
1. 73%
2. 77%
3. 75%
4. 71%
5. 69%
Choice A
73%

Given below is the time table for a trans-continental train that cuts across several time zones. All timings are in local time in the respective cities. The average speed of the train between any two cities is the same in both directions.

XAT 2019 Question Paper - QADI

Which of the following pairs of cities are in the same time zone?
1. Yag and Vaq
2. Vaq and Sab
3. Zut and Yag
4. No pair of cities are in the same time zone.
5. Sab and Raz
Choice C
Zut and Yag
XAT 2019 Question Paper - QADI

What is the total time taken in minutes by the train to go from Zut to Raz?
1. 22 hours, 40 minutes
2. 28 hours, 40 minutes
3. 16 hours, 40 minutes
4. 20 hours, 40 minutes
5. 24 hours, 40 minutes
Choice A
22 hours, 40 minutes
XAT 2019 Question Paper - QADI

What time is it at Yag when it is 12:00 noon at Sab?
1. 5:00 PM
2. 12:00 Noon
3. 9:30 AM
4. 7:00 AM
5. 2:30 PM
Choice A
5:00 PM