If a + b + c = 0, then the value of a³ + b³ + c³ is

• abc

• 2abc

• 3abc

• 3abc

If  then the value of p³ - q³

• p - q

• pq

• 1

• 1

If x = 93,  y = 93, z = 94, then the value of x² - y² + 10xz + 10yz is

• 104784

• 147840

• 174840

• 174840

The value of  is

If x, y and z are real numbers such that (x - 3)² + (y - 4)² + (z - 5)² = 0, then (x + y + z) is equal to

• -12

• 0

• 8

• 8

If  then the value of  is

• 1/4

• 1/6

• 1/5

• 1/5

If a + b = 10 and ab = 21, then the value of (a - b)² is

• 15

• 16

• 17

• 17

If (x - 4) (x² + 4x + 16) = x³ - p, then p is equal to

• 27

• 8

• 64

• 64

If (x - 5)² + (y - 2)² + (z - 9)²  = 0, then value of (x + y - z) is

• 16

• -1

• -2

• -2

If  then   is equal to

• 2201

• 2203

• 2207

• 2207