Quadratic & Other Test 1

Result

/

Score
-

Rank

Time Taken: -

Question 1/10
1 / -0

Correct

Wrong

Skipped
A
63

Correct

Wrong

Skipped
B
61

Correct

Wrong

Skipped
C
65

Correct

Wrong

Skipped
D
64

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 2/10
1 / -0

Correct

Wrong

Skipped
A
4

Correct

Wrong

Skipped
B
9

Correct

Wrong

Skipped
C
16

Correct

Wrong

Skipped
D
25

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 3/10
1 / -0

In each question two equations numbered I and II are given. You have to solve both the equations and mark the appropriate option.

I. 28x² − 79x + 55 = 0

II. 72y²− 91y + 24 = 0

Correct

Wrong

Skipped
A
if x ≤ y

Correct

Wrong

Skipped
B
if x > y

Correct

Wrong

Skipped
C
if x ≥ y

Correct

Wrong

Skipped
D
if x < y

Correct

Wrong

Skipped
E
if x = y or no relation exists.

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Solutions
Question 4/10
1 / -0

At a shop, the price of rice per kg is Rs.15 less than the price of wheat per kg, while the price of black gram is Rs.10 more than the price of wheat per kg. A customer bought six kg each of rice, wheat and black gram for Rs.780. What is the price of two kg of rice and three kg of the black gram?

Correct

Wrong

Skipped
A
Rs.165

Correct

Wrong

Skipped
B
Rs.195

Correct

Wrong

Skipped
C
Rs.225

Correct

Wrong

Skipped
D
Rs.255

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 5/10
1 / -0

If the equations x² - px + q = 0 and x² + qx - p = 0 have a common root, then which one of the following will hold true?

Correct

Wrong

Skipped
A
p = q

Correct

Wrong

Skipped
B
p + q = 2

Correct

Wrong

Skipped
C
p + q = 1

Correct

Wrong

Skipped
D
p - q = 1

Correct

Wrong

Skipped
E
None of these

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Solutions

If a be the common root of the given both equations then,

a² - pa + q = 0 and a² + qa - p = 0
Question 6/10
1 / -0

If x² - y² = 80 and x - y = 8, then the average of x and y is?

Correct

Wrong

Skipped
A
2

Correct

Wrong

Skipped
B
3

Correct

Wrong

Skipped
C
4

Correct

Wrong

Skipped
D
5

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 7/10
1 / -0

Correct

Wrong

Skipped
A

Correct

Wrong

Skipped
B
160

Correct

Wrong

Skipped
C

Correct

Wrong

Skipped
D
169

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 8/10
1 / -0

Two number x and y (x > y) are such that their sum is equal to three times their difference. Then value of will be?

Correct

Wrong

Skipped
A
1/2

Correct

Wrong

Skipped
B
1

Correct

Wrong

Skipped
C

Correct

Wrong

Skipped
D

Correct

Wrong

Skipped
E
None of these

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Solutions
Question 9/10
1 / -0

If a and b be positive integers such that a² - b² = 19, then the value of a is?

Correct

Wrong

Skipped
A
19

Correct

Wrong

Skipped
B
20

Correct

Wrong

Skipped
C
9

Correct

Wrong

Skipped
D
10

Correct

Wrong

Skipped
E
12

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Solutions
Question 10/10
1 / -0

Correct

Wrong

Skipped
A
6

Correct

Wrong

Skipped
B
4

Correct

Wrong

Skipped
C
2

Correct

Wrong

Skipped
D
1

Correct

Wrong

Skipped
E
None of these

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Solutions

Question 1/10

63

61

65

64

None of these

Question 2/10

4

9

16

25

None of these

Question 3/10

if x ≤ y

if x > y

if x ≥ y

if x < y

if x = y or no relation exists.

Question 4/10

Rs.165

Rs.195

Rs.225

Rs.255

None of these

Question 5/10

p = q

p + q = 2

p + q = 1

p - q = 1

None of these

Question 6/10

2

3

4

5

None of these

Question 7/10

160

169

None of these

Question 8/10

1/2

1

None of these

Question 9/10

19

20

9

10

12

Question 10/10

6

4

2

1

None of these