Answer: D. 
Step-by-step explanation:
The given sequence: 
Here, first term:
Second term:
Third term : 
It can be observed that it is neither increasing nor decreasing sequence but having the common ratio.
Common ratio: 
So,
[as in G.P. nth term=
]
Hence, correct option is D. 
Answer:
The answer is 128 that is the answer
Dalia had an average airspeed of ⇒ 42 miles per hour.
The average wind speed was ⇒ 12 miles per hour.
The question is missing the figure. So, the figure is attached below.
Answer:
C. 350 m
Step-by-step explanation:
Given:
Scale is given as:
1 unit : 25 meters
This means that 1 unit on the grid is equivalent to 25 meters in actual.
Now, from the figure, the horizontal distance across the park is 14 units.
1 unit = 25 meter
Now, we can find the actual distance using unitary method and thus multiplying 25 and 14 to get the actual distance across the park horizontally.
∴ 14 units =
meters.
Therefore, the horizontal distance across the park is 350 m in actual.
So, the correct option is option C.