Question

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
400, -200, 100, ? , 25, -12.5

A) -50 B) 50 C) 75 D) -75

Answer 1

Answer:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

400, -200, 100, ? , 25, -12.5

A) -50 B) 50 C) 75 D) -75

Step-by-step explanation:

A) -50

Answer 2

Answer:

it's a gp with common ratio -2

Step-by-step explanation:

the missing term is -50

I hope this helps