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Quiz Discussion

The value of (xy)3+(yz)3+(zx)3(x2y2)3+(y2z2)3+(z2x2)3       is = ?

 

Course Name: Quantitative Aptitude

  • 1]

    0

  • 2]

    1

  • 3]

    [2(x+y+z)]1

  • 4]

    [(x+y)(y+z)(z+x)]1

Solution
No Solution Present Yet

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1
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If (a+b+2c+3d)(a-b-2c+3d)=(a-b+2c-3d)(a+b-2c-3d), then 2bcis equal to?

  • 1]

    3ad

  • 2]

    3ac

  • 3]

    2ad

  • 4]

    2ab

Solution
10
Discuss

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

  • 1] 160
  • 2] 175
  • 3] 180
  • 4] 195
  • 5] None of these
Solution
2
Discuss

Simplify : 1223+4513+15+3412+2343+131545

 

  • 1]

    -3/10

  • 2]

    -10/3

  • 3]

    -2

  • 4]

    1

Solution
3
Discuss

If (x1x) = 21,    then the value of (x2+1x2)(x+1x) is = ?

 

  • 1] 42
  • 2] 63
  • 3] 115
  • 4] 120
  • 5] 125
Solution
4
Discuss

If 33n = 27,  then the value of n is = ?

 

  • 1] 9
  • 2] 6
  • 3] 1
  • 4] 3
Solution
5
Discuss

(ab)2(a+b)24a = xy     On simplifying the given equations, which of the following equations will be obtained ?

 

  • 1] xy = b
  • 2] bx = y
  • 3] ab = x
  • 4] yb = x
  • 5] ay = x
Solution
6
Discuss

The value of x2(yz)2(x+z)2y2 + y2(xz)2(x+y)2z2+z2(xy)2(y+z)2x2   is = ?

 

  • 1] -1
  • 2] 0
  • 3] 1
  • 4] None of these
Solution
7
Discuss

If (x+1x)=3,    then (x2+1x2)   is = ?

 

  • 1]

    10/3

  • 2]

    82/9

  • 3]

    7

  • 4]

    11

Solution
8
Discuss

The value of x in the equation  = 5     is?

 

  • 1] 21
  • 2] 27
  • 3] 35
  • 4] 42
Solution
9
Discuss

(469+174)2(469174)2(469×174)=?

 

  • 1] 1
  • 2] 4
  • 3] 295
  • 4] 643
Solution
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