examday

Community mocks

Juan Set 2 Paper 1 · Q5

Paper 1Number & counting

Let xx, yy, zz be distinct prime numbers such that

x+y⋅z=21.x+y\cdot z=21.

What is x+y+zx+y+z?

A12
B14
C16
D18
E20

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.

Sign in to check your answerPractise the whole paper →