A.20

B.30

C.40

D.None of these

**Show Answer**

**Answer=Option A**

A.20

B.30

C.40

D.None of these

**Show Answer**

A.69

B.78

C.96

D.Cannot be determined

E.None of these

**Show Answer**

A.18

B.24

C.42

D.81

**Show Answer**

A.4

B.8

C.16

D.None of these

**Show Answer**

A.3

B.4

C.9

D.Cannot be determined

E.None of these

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A.9

B.11

C.13

D.15

**Show Answer**

A.35

B.36

C.45

D.54

**Show Answer**