question_answer

By using dot \[(\cdot )\] patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?

A)  9                                

B)  10                   

C)  11                   

D)         12       

Correct Answer: B

Solution :

As we know that every number can be arranged as a line. The number 10 can be shown as \[\bullet \text{   }\bullet \text{   }\bullet \text{    }\bullet \text{    }\bullet \text{    }\bullet \text{    }\bullet \text{    }\bullet \text{    }\bullet \text{    }\bullet \] Also, the number 10 can be shown as a triangle as given below: And, the number 10 can also be shown as a rectangle, as given below: