Mathematics

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Today, 07:16

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