9.In a row of boys, A is 20th from left and B is 16th from right, inte

1.	9.In a row of boys, A is 20th from left and B is 16th from right, interchange their position, the Abecomes 30th from lett. How many boys are there in the row?46(h) AA
Answer» Total number of boys in row =30+16-1=45 is the correct answer. after interchange the position a is 16th from right and 30th from leftthen total number of boys=30+16-1=46-1=45

9.In a row of boys, A is 20th from left and B is 16th from right, interchange their position, the Abecomes 30th from lett. How many boys are there in the row?46(h) AA

Answer»

Total number of boys in row =30+16-1=45 is the correct answer.

after interchange the position a is 16th from right and 30th from leftthen total number of boys=30+16-1=46-1=45