Quiz Discussion

A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:

• 1] 22
• 2] 23
• 3] 24
• 4] 26

If 37/13 =   where x,y,z are natural member , then find x+y+z are:-

• 1]

  6

• 2]

  7

• 3]

  8

• 4]

  9

(? - 968) / 79 * 4 = 512

• 1] 10185
• 2] 10190
• 3] 11075
• 4] 11080
• 5] None of these

If x = a + m, y = b + m, z = c + m, then the value of $\frac{{{x^2} + {y^2} + {z^2} - yz - zx - xy}}{{{a^2} + {b^2} + {c^2} - ab - bc - ca}}$       is = ?

• 1]

  1

• 2]

  $\frac{{x + y + z}}{{a + b + c}}$

• 3]

  $\frac{{a + b + c}}{{x + y + z}}$

• 4]

  Not possible to find

The value of $\frac{{{{\left( {x - y} \right)}^3} + {{\left( {y - z} \right)}^3} + {{\left( {z - x} \right)}^3}}}{{{{\left( {{x^2} - {y^2}} \right)}^3} + {{\left( {{y^2} - {z^2}} \right)}^3} + {{\left( {{z^2} - {x^2}} \right)}^3}}}$       is = ?

• 1]

  0

• 2]

  1

• 3]

  ${\left[ {2\left( {x + y + z} \right)} \right]^{ - 1}}$

• 4]

  ${\left[ {\left( {x + y} \right)\left( {y + z} \right)\left( {z + x} \right)} \right]^{ - 1}}$