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Quadratic Equations - Free Case Based Type Questions with solutions


MCQ Practice Test & Solutions: Case Based Questions Test: Quadratic Equations (15 Questions)

You can prepare effectively for Class 10 Mathematics (Maths) Class 10 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Case Based Questions Test: Quadratic Equations". These 15 questions have been designed by the experts with the latest curriculum of Class 10 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 15

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Case Based Questions Test: Quadratic Equations - Question 1

Read the following text and answer the following questions on the basis of the same:

Nidhi and Ria are very close friends. Nidhi’s parents own a Maruti Alto and Ria’s parents own a Toyota Liva. Both the families decided to go for picnic to Somnath temple in Gujarat by their own cars. Nidhi car travels x km/h when Ria’s car travels 5 km/h more than Nidhi’s car Nidhi’s car took 4 hours more than Ria’s car in covering 400 km.

Q. Which of the following quadratic equations describe the speed of Nidhi’s car?

Detailed Solution: Question 1

Let Speed of Nidhi = x km/h

Time taken = t + 4 km/h

Time = D/s

Speed of Ria = (x + 5) km/h

Time taken = t hour

According to the question,

⇒ x2 + 5x – 500 = 0

Case Based Questions Test: Quadratic Equations - Question 2

Read the following text and answer the following questions on the basis of the same:

Nidhi and Ria are very close friends. Nidhi’s parents own a Maruti Alto and Ria’s parents own a Toyota Liva. Both the families decided to go for picnic to Somnath temple in Gujarat by their own cars. Nidhi car travels x km/h when Ria’s car travels 5 km/h more than Nidhi’s car Nidhi’s car took 4 hours more than Ria’s car in covering 400 km.

Q. How much time took Ria to travel 400 km?

Detailed Solution: Question 2

x2 + 5x – 500 = 0

⇒ x2 + 25x – 20x – 500 = 0

⇒ x (x + 25) – 20 (x + 25) = 0

⇒ (x + 25)(x – 20) = 0 ⇒ x = – 25 (Rejected) and 20.
So, x = 20 (Nidhi speed)
now, 

Ria’s speed = 20 + 5 = 25 km/h

Distance = 400 km

Time = D/S = 400/25 = 16 hour

Case Based Questions Test: Quadratic Equations - Question 3

Read the following text and answer the following questions on the basis of the same:

Nidhi and Ria are very close friends. Nidhi’s parents own a Maruti Alto and Ria’s parents own a Toyota Liva. Both the families decided to go for picnic to Somnath temple in Gujarat by their own cars. Nidhi car travels x km/h when Ria’s car travels 5 km/h more than Nidhi’s car Nidhi’s car took 4 hours more than Ria’s car in covering 400 km.

Q. What will be the distance covered by Ria’s car in two hours?

Detailed Solution: Question 3

Solution:

Given:

  • Nidhi’s car speed = x km/h
  • Ria’s car speed = (x + 5) km/h (5 km/h more than Nidhi’s car)

We need to find the distance covered by Ria’s car in 2 hours.

Using the formula for distance:

Distance = Speed × Time

For Ria’s car, distance covered in 2 hours = (x + 5) × 2 = 2(x + 5) km

Hence, the distance covered by Ria’s car in two hours is 2(x + 5) km.

Answer: A. 2(x + 5) km

Case Based Questions Test: Quadratic Equations - Question 4

Read the following text and answer the following questions on the basis of the same:

Nidhi and Ria are very close friends. Nidhi’s parents own a Maruti Alto and Ria’s parents own a Toyota Liva. Both the families decided to go for picnic to Somnath temple in Gujarat by their own cars. Nidhi car travels x km/h when Ria’s car travels 5 km/h more than Nidhi’s car Nidhi’s car took 4 hours more than Ria’s car in covering 400 km.

Q. What is the speed of Nidhi’s car?

Detailed Solution: Question 4

x2 + 5x – 500 = 0

⇒ x2 + 25x – 20x – 500 = 0

⇒ x (x + 25) – 20 (x + 25) = 0

⇒ (x + 25)(x – 20) = 0 ⇒ x = – 25 (Rejected) and 20

Case Based Questions Test: Quadratic Equations - Question 5

Read the following text and answer the following questions on the basis of the same:

Nidhi and Ria are very close friends. Nidhi’s parents own a Maruti Alto and Ria’s parents own a Toyota Liva. Both the families decided to go for picnic to Somnath temple in Gujarat by their own cars. Nidhi car travels x km/h when Ria’s car travels 5 km/h more than Nidhi’s car Nidhi’s car took 4 hours more than Ria’s car in covering 400 km.

Q. Name the shape of quadratic equation in graph

Detailed Solution: Question 5

The graph of a quadratic function is called a parabola and has a curved shape. One of the main points of a parabola is its vertex. It is the highest or the lowest point on its graph. You can think of like an endpoint of a parabola.

Case Based Questions Test: Quadratic Equations - Question 6

Read the following text and answer the following questions on the basis of the same:

Aniket is studying in 10th standard. He created a pole on the boundary of a circular park of diameter 17 m in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7 m.

Q. Find the distance between pole and gate B.

Detailed Solution: Question 6

Let BP = x and AP = x+7 (as AP > BP according to figure)

Then, using the Pythagorus theorem:
AP2 + BP2 = AB2

So, x2 + (x + 7)2 = 172

On simplifying, we get

x2 + 7x – 120 = 0

x2 + 15x – 8x – 120 = 0

x (x + 15) – 8 (x + 15) = 0

x = 8 and x = -15 (rejected)
So x = 8m

Case Based Questions Test: Quadratic Equations - Question 7

Read the following text and answer the following questions on the basis of the same:

Aniket is studying in X standard. He is created a pole at on the boundary of a circular park of diameter 17 m in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7m.

Q. What is the length of (AP + BP)?

Detailed Solution: Question 7

AP + BP = 15 + 8 = 23 cm

Case Based Questions Test: Quadratic Equations - Question 8

Read the following text and answer the following questions on the basis of the same:

Aniket is studying in X standard. He is created a pole at on the boundary of a circular park of diameter 17 m in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7m.

Q. Find a quadratic equations in variable x for above situation.

Detailed Solution: Question 8

Let the distance of the pole from the gate B be x i.e. BP = x cm.

Therefore, AP = x + 7 m Now, AB = 17 m and since AB is a diameter.

Apply Pythagoras theorem,

AB2 = AP2 + BP2

172 = (x + 7)2 + x2

289 = x2 + 49 + 14x + x2

2x2+14x−240=0

x2 + 7x – 120 = 0

Case Based Questions Test: Quadratic Equations - Question 9

Read the following text and answer the following questions on the basis of the same:

Aniket is studying in X standard. He is created a pole at on the boundary of a circular park of diameter 17 m in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7m.

Q. Find the distance between pole and gate A.

Detailed Solution: Question 9

AP = x + 7 = 8 + 7 = 15 cm

Case Based Questions Test: Quadratic Equations - Question 10

Read the following text and answer the following questions on the basis of the same:

Aniket is studying in X standard. He is created a pole at on the boundary of a circular park of diameter 17 m in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7m.

Q. Find the area of triangle ABP.

Detailed Solution: Question 10

AP - BP = 7
AB2 = AP2 + BP2
172 = AP2 + BP2
289 =  AP2 + BP2
using above equation we will get AP = 15 BP = 8 
Area of triangle ABP = 1/2 × 15 × 8 = 60 cm2.

Case Based Questions Test: Quadratic Equations - Question 11

Read the following text and answer the following questions on the basis of the same:

A small scale industry produces a certain boxes of candles in a day. Number of boxes prepared by each worked on a particular day was 2 more than thrice the number of workers working in the industry. The number of boxes produced in a particular day was 85.

Q. Represent the above equation in quadratic equation.

Detailed Solution: Question 11

The Correct equation Formed

3x2 + 2x – 85

Case Based Questions Test: Quadratic Equations - Question 12

Read the following text and answer the following questions on the basis of the same:

A small scale industry produces a certain boxes of candles in a day. Number of boxes prepared by each worked on a particular day was 2 more than thrice the number of workers working in the industry. The number of boxes produced in a particular day was 85.

Q. Number of workers working in the industry:

Detailed Solution: Question 12

Let the workers are x, Number of boxes prepared by the workers

= 2 + 3x

According to the question,

x(2 + 3x) = 85

⇒ 3x2 + 2x – 85 = 0

⇒ 3x2 + 17x – 15x – 85 = 0

⇒ x(3x + 17) – 5(3x + 17) = 0 ⇒

⇒ (3x + 17)(x – 5) = 0

⇒ x = 5

Case Based Questions Test: Quadratic Equations - Question 13

Read the following text and answer the following questions on the basis of the same:

A small scale industry produces a certain boxes of candles in a day. Number of boxes prepared by each worked on a particular day was 2 more than thrice the number of workers working in the industry. The number of boxes produced in a particular day was 85.

Q. If the number of workers working in the industry is x. What was the number of boxes of candles prepared by each worker on that particular day?

Detailed Solution: Question 13

Let the workers are x, Number of boxes prepared by the workers

= 2 + 3x

According to the question,

x(2 + 3x) = 85

⇒ 3x2 + 2x – 85 = 0

⇒ 3x2 + 17x – 15x – 85 = 0

⇒ x(3x + 17) – 5(3x + 17) = 0 ⇒

⇒ (3x + 17)(x – 5) = 0

⇒ x = 5

Case Based Questions Test: Quadratic Equations - Question 14

Read the following text and answer the following questions on the basis of the same:

A small scale industry produces a certain boxes of candles in a day. Number of boxes prepared by each worked on a particular day was 2 more than thrice the number of workers working in the industry. The number of boxes produced in a particular day was 85.

Q. Nature of roots of the above quadratic equation are:

Detailed Solution: Question 14

We can see, the discriminant of the given quadratic equation is positive but not a perfect square. Hence, the roots of a quadratic equation are real, unequal.

Case Based Questions Test: Quadratic Equations - Question 15

Read the following text and answer the following questions on the basis of the same:

A small scale industry produces a certain boxes of candles in a day. Number of boxes prepared by each worked on a particular day was 2 more than thrice the number of workers working in the industry. The number of boxes produced in a particular day was 85.

Q. How many boxes will be prepared when number of workers are increased by 2.

Detailed Solution: Question 15

Number of workers = x

Number of workers when increased by 2 = x + 2

∴ Number of boxes prepared by the workers

(x + 2) = (x + 3) [2 + 3 (x + 2)

= 7 [2 + 3 × 7] [∵ x = 5]

= 7 × 23

= 161.

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