Tech Mahindra Equations (Linear & Quadratic) Quiz 1

Question 1

Time: 00:00:00
The product of two consecutive odd numbers is 4623. Which is the greater of the two numbers?

59

59

69

69

68

68

45

45

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Question 2

Time: 00:00:00
If the numerator of a fraction is increased by 500% and the denominator is increased by 300%, the resultant fraction is 1(1/17). What was the original fraction?

12/17

12/17

14/15

14/15

18/19

18/19

21/24

21/24

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Question 3

Time: 00:00:00
The number obtained by interchanging the digits of a two-digit number is less than the original number by 63. If the sum of the digits of the number is 11, what is the original number?

85

85

92

92

90

90

88

88

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Question 4

Time: 00:00:00
Two packets are available for sale.

Packet a: peanuts 100 gms for Rs 48 only

Packet b: peanuts 150 gms for Rs 72 only

both have the same value Packet

both have the same value Packet

packet b has more value

packet b has more value

packet a has more value

packet a has more value

none of these

none of these

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Question 5

Time: 00:00:00
Consider the following two curves in the X-Y plane

y=(x3+x2+5)

y=(x2+x+5)

Which of the following statements is true for -2<= x <=2?

A) The two curves do not intersect.

A) The two curves do not intersect.

B) The two curves intersect thrice.

B) The two curves intersect thrice.

C) The two curves intersect twice.

C) The two curves intersect twice.

D) The two curves intersect once.

D) The two curves intersect once.

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Question 6

Time: 00:00:00
If $x + \frac{1}{x}$=4, the value of $x^{5} + \frac{1}{x^{5}}$ is:

A) 724

A) 724

B) 500

B) 500

C) 752

C) 752

D) 525

D) 525

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Question 7

Time: 00:00:00
If a number is decreased by 5 and divided by 7, the result is 10. What would be the remainder if 5 is subtracted from the number and then it is divided by 8?

7

7

8

8

5

5

6

6

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Question 8

Time: 00:00:00
if x=12, y=4, then find the values of (x+y)x/y

A)48

A)48

B)40

B)40

C)none

C)none

D)50

D)50

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Question 9

Time: 00:00:00
Find the two numbers such that if the first is added to 6 times the second, the sum becomes 47 and if the second is added to 6 times the first, the sum becomes 37.

4, 8

4, 8

3, 9

3, 9

5, 7

5, 7

2, 10

2, 10

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Question 10

Time: 00:00:00
For what value of “k” will the equation (2kx2 + 5kx +2)=0 have equal roots?

A) 2/7

A) 2/7

B) 9/4

B) 9/4

C) 16/25

C) 16/25

D) 7/18

D) 7/18

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