A.100
B.78
C.102
D.106

A.86
B.72
C.90
D.98

A.\(3\)
B.\(0\)
C.\( - 1\)
D.\(5\)

A.\(990\)
B.\(991\)
C.\(989\)
D.\(913\)

A.\(\frac{{x + 1}}{1} = \frac{{y - 2}}{3} = \frac{{z - 5}}{{ - 2}}\) 
B.\(\frac{{x - 1}}{1} = \frac{{y + 2}}{3} = \frac{{z + 5}}{{ - 2}}\)
C.\(\frac{{x + 1}}{1} = \frac{{y - 2}}{{ - 3}} = \frac{{z - 5}}{{ - 2}}\) 
D.\(\frac{{x - 1}}{{ - 1}} = \frac{{y + 2}}{3} = \frac{{z + 5}}{{ - 2}}\)

A.\(3\)
B.\(24\)
C.\(6\)
D.\(12\)

A.\(2\)
B.\( - 2\)
C.\( - 1\)
D.\(1\)

A.\({30^0}\)
B.\({60^0}\)
C.\({45^0}\)
D.\({90^0}\)

A.\(\left( { - \infty ; - 5} \right) \cup \left( {5; + \infty } \right)\) 
B.\(\left( { - \infty ; - \sqrt 5 } \right) \cup \left( {\sqrt 5 ; + \infty } \right)\)
C.\(\left( { - \infty ; - 5} \right] \cup \left[ {5; + \infty } \right)\) 
D.\(\left( { - \infty ; - \sqrt 5 } \right] \cup \left[ {\sqrt 5 ; + \infty } \right)\)

A.\(I\left( {1; - 2; - 1} \right),\,\,R = 2\)
B.\(I\left( {1; - 2; - 1} \right),\,\,R = 4\)
C.\(I\left( { - 1;2;1} \right),\,\,R = 2\)
D.\(I\left( { - 1;2;1} \right),\,\,R = 4\)