Question

find the missing number in the number series 4, -8, 16, -32, 64, ?
Select one:
a. -192
b. 128
c. 192
d. -128

Answer 1

Answer:

Step-by-step explanation:

D option as

4*2=8(taken negative)

8*2=16(taken positive)

16*2=32(taken negative)

32*2=64(taken positive)

Similarly

64*2=128(taken negative)