A.\(\dfrac{5}{2}\)
B.\(\dfrac{{10}}{3}\)
C.\(\dfrac{5}{3}\)
D.\(\dfrac{{15}}{4}\)

A.\(10\)
B.\({e^2}\)
C.\(2021\)
D.\(\ln 2\)

A.\(6\)
B.\(5\)  
C.\(4\)
D.\(3\)

A.\(2014\)
B.\(2019\)
C.\(2010\)
D.\(2008\)

A.\(2012\)
B.\(2007\)
C.\(2008\)
D.\(2010\)

A.\(\dfrac{{9\sqrt 3 {a^3}}}{2}\)
B.\(\dfrac{{9{a^3}}}{2}\)
C.\(\dfrac{{9\sqrt 2 {a^3}}}{2}\)
D.\(\dfrac{{27\sqrt 2 {a^3}}}{2}\)

A.\(27\sqrt 3 {a^3}\)
B.\(108\sqrt 3 {a^3}\)
C.\(9\sqrt 3 {a^3}\)
D.\(81\sqrt 3 {a^3}\)

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

A.\(\dfrac{{14}}{{55}}\)
B.\(\dfrac{{56}}{{165}}\)  
C.\(\dfrac{9}{{13}}\)
D.\(\dfrac{7}{{15}}\)

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