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30 November, 17:38

1. 7,9,11,13

A arithmetic

B geometric

C both

D neither

2. 2,1, 1/2 1/4

A arithmetic

B geometric

C both

D neither

3. 1,2,4,8

A start with 1 and then add 1 repeatedly

B start with 1 and then add multiples of 2 repeatedly

C start with 1 and then multiply by 2 repeatedly

D start with 1 and then divide by 2 repeatedly

4. 50,40,30,20

A start with 50 and then add 10 repeatedly

B start with 50 then add - 10 repeatedly

C start with 20 and then add 10 repeatedly

D start with 50 and then add multiples of 10 repeatedly

+2
Answers (1)
  1. 30 November, 17:53
    0
    1. A add 2

    2. B multiply by 1/2

    3. C

    4. B
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