question_answer

Suman arranges six beads in columns of a abacus. She puts three beads in ones column, 1 bead in tens column and 2 beads in hundreds column. Which of the following can be Suman's abacus?

A)        

B)     

C)              

D)  

Correct Answer: B

Solution :

 The abacus formed by Suman ; will be