Arithmetic Aptitude

Question 21

Choose the missing number in the series:
9, 7, 12, 12, 15, 17, 18, 22, ?

• 27
• 21
• 22
• 24

Question 22

A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment?

• Three green faces and four red faces.
• Four green faces and three red faces.
• Five green faces and two red faces.
• Six green faces and one red face