Quantitative Aptitude Test 13

Quantitative Aptitude.

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1. The production of a Company has ups and downs every year. The’production increases for two consecutive years consistently by 15% and in the third year it decreases by 10%. Again in the next two years it increases by 15% each year and decreases by 10% in the third year. If we start counting from the year 1994 approximately what will be the effect on production of the Company in 1998 ?


2. A circle has radius r and origin as its centre. Two iangents are drawn from an external point D, d distance away from the origin. What are the angles made by the tangents with the positive X-axis?

1 . The co-ordinates of the point D are given.
2. The x-axis bisects one of the tangents.


3. How many sets of positive integers (x, y) satisfy the following equations ax + by c; dx +ey f where a, b, c, d, e, f are non-zero.

1. a = kd, b = ke, c = kf k= non zero.
2. a = b = d = e = I and c # f.


4. What is the value of x?

1. Log2x = Öx
2. X <= 10


5. What is the ratio of growths for the two years 95 & 96?

1. The line joining the points showing the revenues for 94 and 95 makes an angle of 40° with positive x-axis and the line showing the revenues for 95 and 96 makes an angle of 80° with positive x-axis.
2. One division on y-axis is equivalent to thousand rupees.


6. A person starts walking along the boundary of a field towards the north direction from A, and after walking hundred metres comes to B, now he takes a turn and walks 150 Mts. to the west along the boundary. Then what is the maximum distance between two points on the boundary?

1. C is the comer of the rectangle?
2. A is the mid-point of the side of a polygon.


7. What is the number of students in the class if the average weight of the students is 50 kg.

1. The heaviest & lightest students in the class weigh 60 & 40 kg respectively.
2. If the heaviest & the lightest students are taken away from the group the average weight remains the same.


8. A, B, C, D, are four students. How many of them have passed?

1. Following statement is true: A & B have passed.
2. Following statement is false: at least one of C & D has passed.


9. 3 persons were given certain calculations to perform. The calculations were 1 + 1, 1 + 1 + 2, and 1 + 2. Their respective answers were 3, 3 and 2. How many of them are mathematicians?

1. The mathematicians can never add two numbers correctly, but they add three numbers correctly.
2. Whenever the mathematicians add two numbers there is a mistake of +1 or -1.


10. gfg


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