Simplification Practice Question and Answer

Q:

If 2x + 3y - 5z = 18 , 3x + 2y + z = 29 and x + y + 3z = 17 , then what is the value of xy + yz + zx ? 

1269 0

  • 1
    32
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    52
    Correct
    Wrong
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Answer : 4. "52"

Q:

Simplify :

1267 0

  • 1
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 3. ""

Q:

The smallest positive integer n for which 864 x n is a perfect cube, is: 

1244 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 4. "2 "

Q:

What will be the total number of pieces if the length of  the rib is cut to 3/4 m length?

1243 0

  • 1
    3
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 4. "7"

Q:

Direction : What value should come in the place of question mark (?) in the following questions?

80% of 10% of 340 = ?

1231 0

  • 1
    28.5
    Correct
    Wrong
  • 2
    32.8
    Correct
    Wrong
  • 3
    27.2
    Correct
    Wrong
  • 4
    32.2
    Correct
    Wrong
  • 5
    21.6
    Correct
    Wrong
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Answer : 3. "27.2"

Q:

Find the value of x:
23 × 34 × 1080 ÷ 15 = 6x

1215 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
  • Show Answer
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Answer : 2. "6"

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Answer : 2. "14 "

Q:

If (a + b):(b + c):(c + a) = 7:6:5 and a + b + c = 27, then what will be the value of 1/a: 1/b :1/c?

1208 0

  • 1
    3:6:4
    Correct
    Wrong
  • 2
    3:2:4
    Correct
    Wrong
  • 3
    4:3:6
    Correct
    Wrong
  • 4
    3:4:2
    Correct
    Wrong
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Answer : 3. "4:3:6 "

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