Answer:
B
Step-by-step explanation:
70-20=50
i don't sure correct or not
Answer: 
Step-by-step explanation:
Given
Speed of boat 



Answer:
2.5
Step-by-step explanation:
The constant of probability is 16/6.4=2.5
Answer:
It lies between 5 and 6
Step-by-step explanation:
Two consecutive numbers are numbers that come after each other:
x , x + 1 are consecutive numbers.
3 \sqrt{3} = 3√3 = 5.19615242271
Therefore, from the above calculation, we can see that square root of 3 is a number that is between consecutive numbers 5 and 6