Quadratic Equation Questions

In this blog we will solve and learn about some quadratic equation questions. quadratic equation questions are mostly asked in al CAT examination papers and is one of the important topic for all CAT aspirants.

Questions:-

3x + 4|y| = 33. How many integer values of (x, y) are possible?

1. 6
2. 3
3. 4
4. More than 6

x² – 9x + |k| = 0 has real roots. How many integer values can ‘k’ take?

1. 40
2. 21
3. 20
4. 41

Equation x² + 5x – 7 = 0 has roots a and b. Equation 2x² + px + q = 0 has roots a + 1 and b + 1. Find p + q.

1. 6
2. 0
3. -16
4. 2

If (3x+2y-22)² + (4x-5y+9)² = 0 and 5x-4y = 0. Find the value of x+y.

1. 7
2. 9
3. 11
4. 13

Let x³– x² + bx + c = 0 has 3 real roots which are in A.P. which of the following could be true

1. b=2,c=2
2. b=1,c=1
3. b= -1,c = 1
4. b= -1,c= -1

A merchant decides to sell off 100 articles a week at a selling price of Rs. 150 each. For each 4% rise in the selling price he sells 3 less articles a week. If the selling price of each article is Rs x, then which of the below expression represents the rupees a week the merchant will receive from the sales of the articles?

1. 175 – x/2
2. x/3 + 156
3. 350 – x²/2
4. x² – 2x + 75

For more such questions and blogs visit the link 

And apply for the courses for CAT preparation visit the link

Don't miss out!

Subscribe To Newsletter

Receive top CAT Exam tips and more

Invalid email address

Give it a try. You can unsubscribe at any time.

Thanks for subscribing! Please check your email for further instructions.

Comments

comments