A.\(V = \pi rh\)
B.\(V = \pi {r^2}h\)
C.\(V = \dfrac{1}{3}\pi rh\)
D.\(V = \dfrac{1}{3}\pi {r^2}h\)

A.\(3\)
B.\(2\)
C.\(0\)
D.\(1\)

A.\(10\)
B.\(12\)
C.\(30\)
D.\(15\)

A.\({x^3}\)
B.\({x^{\frac{7}{2}}}\)
C.\({x^{\dfrac{2}{3}}}\)
D.\({x^{\frac{3}{5}}}\)

A.
B.
C.
D.

A.\( - 1\)
B.\(0\)
C.\(1\)
D.\(4\)

A.\(y =  - {x^3} + 3{x^2} - 3x + 1\)
B.\(y =  - {x^2} + 2x\)
C.\(y = {x^4} - {x^2} + 1\)
D.\(y = \dfrac{{x - 1}}{x}\)

A.\(\dfrac{3}{{20}}\)
B.\(\dfrac{1}{{20}}\)
C.\(\dfrac{1}{3}\)
D.\(\dfrac{3}{{10}}\)

A.\({u_{10}} = 20\)
B.\({u_{10}} = 21\)
C.\({u_{10}} = 19\)
D.\({u_{10}} = 15\)

A.\(4\pi {a^2}\)
B.\(2\pi {a^2}\)
C.\(\pi {a^2}\)
D.\(\dfrac{4}{3}\pi {a^2}\)