Algebra Question with answer Practice Question and Answer

Q:

If x2+y2+z2 = xy + yz + zx, then the value of is

1467 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
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Answer : 2. "1"

Q:

What is the area (in sq. cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm ?

1444 0

  • 1
    42
    Correct
    Wrong
  • 2
    168
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    63
    Correct
    Wrong
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Answer : 3. "84"

Q:

If a=34, b=c=33, then the value of a3+b3+c3-3abc is 

1397 0

  • 1
    50
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    111
    Correct
    Wrong
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Answer : 2. "100"

Q:

Given that 100.48 = x, 100.70 = y and x2 = y2, then the value of z is close to

1393 0

  • 1
    1.45
    Correct
    Wrong
  • 2
    1.88
    Correct
    Wrong
  • 3
    2.9
    Correct
    Wrong
  • 4
    3.7
    Correct
    Wrong
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Answer : 3. "2.9"

Q:

If (x+y+z)=12, xy+yz+zx=44 and xyz=48, then what is the value of x3+y3+z3=?

1379 0

  • 1
    104
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    288
    Correct
    Wrong
  • 4
    196
    Correct
    Wrong
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Answer : 3. "288"

Q:

If p=99, then the value of p(p2+3p+3) will be

1377 0

  • 1
    1000001
    Correct
    Wrong
  • 2
    999998
    Correct
    Wrong
  • 3
    999999
    Correct
    Wrong
  • 4
    1000000
    Correct
    Wrong
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Answer : 3. "999999"

Q:

If a=x+y, b=x-y, c=x+2y, then is

1376 0

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

Q:

Three positive numbers are in the ratio of 11 : 12 : 15. If the sum of the squares of those numbers is 1960, then the sum of the numbers is

1356 0

  • 1
    38
    Correct
    Wrong
  • 2
    76
    Correct
    Wrong
  • 3
    114
    Correct
    Wrong
  • 4
    152
    Correct
    Wrong
  • Show Answer
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Answer : 2. "76"

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