Logical reasoning

What number comes next?

4 , 7 , 10 , 13 , ___

• 17

• 16

• 19

• 20

There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?

• Four

• Three

SCD, TEF, UGH, ____, WKL

• CMN

• UJI

• VIJ

• IJT

Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

• 7

• 10

• 12

• 13

How many months in a year have exactly 30 days?

• 6

• 2

• 5

• 4