Quantitative Aptitude Quiz 2015 - Set 21 - Quadratic Equation and Data Sufficiency


Hello and welcome to ExamPundit. Here is a set of Quantitative Aptitude Quiz based on Quadratic Equations and Data Sufficiency.


1. Find the equation whose roots are reciprocal to the roots of equation - 1 – 5x + 4x2 = 0
(a) 4x – 5x2 –1 = 0
(b) 5x2 + 4x –1 = 0
(c) x2 –  5x + 4 = 0
(d) x2 – 5x + 1 = 0
(e) None of these





Solutions -


2. Find the value of 'x' of √4x + 5 – √3x +1 = 1
(a) 2, 4
(b) 2, 3
(c) 1, 3
(d) 1, 5
(e) 2, 5





Solutions -


3. Find the equation whose roots are 5 and 11.
(a) x2 – 16 x – 55 = 0
(b) x2 – 16 x + 55 = 0
(c) x2 +16x – 55 = 0
(d) x2 +16x + 55 = 0
(e) x2 –10x + 55 = 0


4. Find the sum and the product of the roots of the equation x2 + 15 x + 44=0
(a) –15, –44
(b) 15, –44
(c) –15, 44
(d) 15, 44
(e) None of these


5. Find the roots of the following equation x2 – 3x + 2 = 0
(a) 1, – 2
(b) –1, –2
(c) –3, 2
(d) –1, 2
(e) 1, 2



Direction (Q. 6-10): The following questions contain one question followed by two statements. Read the questions carefully and decide how many of the statement is/are necessary to answer the question. Answer according to the following codes-

(a) If the data in I alone are sufficient to answer the question.
(b) If the data in II alone are sufficient to answer the question.
(c) If the data in either I or II are sufficient to answer the question.
(d) If both together are not sufficient to answer the question.
(e) If both are required to answer the question.


6. What is the area of a right angled triangle?
I. Perimeter of the triangle in 48 cm.
II. Ratio between height and base of triangle 4 : 3.





Solutions -


7. What will be the sum of two numbers?
I. Ratio between the greater number and smaller number is 12.
II. The difference between them is 28.





Solutions -



8. How much profit an organisation earned in 1995?
I. The organisation earned 30% more profit than in 1993.
II. The organisation earned 40% more profit than in 1994.


9. In how many days 10 men and 5 women can do a piece of work?
I. 5 men can do the same work in 20 days.
II. 10 women can do the same work in 15 days.


10. How much marks did Shyam scored in Hindi?
I. He scored 15 marks more in History than Geography.
II. He scored 20 marks more in Hindi than Geography.



Regards




Team ExamPundit


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