1st Class Mathematics Back & Forth Counting What Comes before       

    What Comes before

In forth counting, smaller number always comes before greater number.

        Forth Counting  

Here,

comes just before

comes just before

comes just before&

comes just before  

But,

Numbers coming beforeare

Numbers coming beforeare

Numbers coming beforeare  

             Forth Counting

Here,

comes just before

comes just before

comes just before

comes just before

comes just before  

But,

Numbers coming beforeare

Numbers coming beforeare

Numbers coming beforeare

Numbers coming beforeare

In back counting greater number always comes before smaller number.    

                  Back Counting

Here,

comes just before

comes just before

comes just before

comes just before

comes just before

comes just before  

But in Back Counting,

Numbers coming beforeare

Numbers coming beforeare

Numbers coming beforeare

Numbers coming beforeareand

Numbers coming beforeare  

  What comes just before 19 in a forth counting from 14 to 20?

(a) 15                                                                    

(b) 18

(c) 20                

(d) 17  

Answer: (b)

Explanation

The counting goes as, 14, 15, 16, 17, 18, 19 & 20. In this process we count 18 just before 19.    

 Which one of the following numbers in forth counting will come before 9?

(a) 8 

(b) 12

(c) 11

(d) 10  

Answer: (a)