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Cocubes Algebra Questions with Answers

Question 1

Time: 00:00:00
If 1/2x +1/4x+1/8x=14 Then the value of x is:

8

8

12

12

4

4

16

16

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Question 2

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

2/7

2/7

9/4

9/4

16/25

16/25

7/18

7/18

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Question 3

Time: 00:00:00
If m=(2-√3),then the value of (m6+m4+m2+1) /m3 is

64

64

56

56

69

69

52

52

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Question 4

Time: 00:00:00
If a2+b2-4(a+b)= -8,then the value of (a-b) is:

4

4

2

2

8

8

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Question 5

Time: 00:00:00
if x=12, y=4, then find the values of (x+y)^\frac{x}{y}

8009

8009

4096

4096

none

none

1024

1024

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Question 6

Time: 00:00:00
For all integral values of n, the expression ((7^2n)-(3^3n))
is a multiple of:

10

10

31

31

12

12

22

22

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Question 7

Time: 00:00:00
If s(s+s1+s2)=9,s1(s+s1+s2)=16 and s2(s+s1+s2)= 144, 
then the what is the value of “s”?

7/11

7/11

1/11

1/11

11/13

11/13

9/13

9/13

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Question 8

Time: 00:00:00
Three pipes can fill the tank in 18 hours. One of the pipes can
fill it in 18 hrs and the other pipe can empty in 9 hours.
At what rate does the third pipe work?

Waste pipe emptying the tank in 18 hours

Waste pipe emptying the tank in 18 hours

Filling the tank in 9 hours

Filling the tank in 9 hours

Filling the tank in 18 hours

Filling the tank in 18 hours

Waste pipe emptying the tank in 9 hours

Waste pipe emptying the tank in 9 hours

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Question 9

Time: 00:00:00
Study the following data carefully and answer the question 
that follows.
A%B = (A+B)2
A#B = (A2-B2)
A?B = (A-B)2
Question: Find the value of 5?(6%2)

-3481

-3481

59

59

3481

3481

-59

-59

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Question 10

Time: 00:00:00
If (x+1/X) = 6, the value of (X^5+1/x^5) is

7302

7302

5473

5473

6726

6726

6734

6734

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["0","40","60","80","100"]
["Need more practice! \n \n","Keep trying! \n \n","Not bad! \n \n","Good work! \n \n","Perfect! \n \n"]

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