Question

1,3,-1,-3,-7,-21,-25 Complete this series Solve answer

Answer 1

Answer:

-75 , -79 , -237

Step-by-step explanation:

1 × 3 = 3 -4 = -1 × 3 = -3 -4 = -7 × 3 = -21 -4 = -25 × 3 = -75 -4 = -79 × 3 = -237

Answer 2

The next term of series are - 79,  -241, -727    

Given:

1,3,-1,-3,-7,-21,-25 is a number series

To find:

Next numbers in series  

Solution:

Given series is 1, 3, -1, -3, -7, -21, -25

If we see the given series we can observe a pattern as shown below

1 × 3 = 3 - 4 = -1

-1 × 3 = -3 - 4 = -7

-7 × 3 = -21 - 4 = -25  

-25 × 3 = - 75 - 4 = -79  

-79 × 3 = -237 - 4 = -241

The next term of series are - 79,  -241, -727    

#SPJ2