1. Clara has taken 3 hours to type 16 sheets of her literature work. How many could he type in an hour and a half? 9
10
6
8

2.If a cyclist takes 2.5 hours to reach a city at a speed of 30 km / h. How long will it take to reach a speed of 25 km / h?
4
2
3
5

3. Walking at 60 steps per minute it takes me 25 minutes to get home. How long does it take at 80 steps per minute?

15 minutes
24 minutes
18 minutes 45 seconds
20 minutes 30 seconds

4. Six friends give each other a box of cookies, each touching 15 cookies. How many cookies would they get if they were nine friends?
10
15
8
12