In a class of 60 students, the number of girls is twice that of boys. Raju is ranked seventeenth from the top. If there are 9 girls ahead of Raju, how many boys are after him?

A class of boys stands in a single line. One boy is nineteenth in order from both the ends. How many boys are there in the class?

In the following alphabet-series, which letter is the eighth from the right of the fourteenth letter from the right end?

Z A B C D E F G H I J K L M N O P Q R S T U V W X Y

Directions: The following question is based on the following alphabet-series.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If A interchanges position with B, similarly C and D interchange positions and so do E and F and so on up to Y and Z, then which of the following will be the seventh from the left?

Directions: Letters from A to M are written, leaving space for one letter between two letters, and then the remaining letters are inserted, beginning with N and ending the series with Z after M. Based on the above information, answer the following question.

Which letter would be exactly between D and K?

Directions The following question is based on the following alphabet–series.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If 1^st and 26^th, 2^nd and 25^th, 3^rd and 24^th and so on, letters of the English alphabet are paired, then which of the following pairs is correct?

Directions: Letters from A to M are written, leaving space for one letter between the two letters, and then the remaining letters are inserted, beginning with N and ending the series with Z after M. Based on the above information, answer the following question.

Which letter would be third to the right of the seventh letter from the left?

In a row of forty children, P is thirteenth from the left end and Q is ninth from the right end. How many children are there between P and R, if R is fourth from the left of Q?

Some students are lined up in a queue, in which Ashish stands fifteenth from the left and Sachin is seventh from the right. If they interchange their positions, Sachin would be fifteenth from the right. How many students are there in the queue?

Sam ranked ninth from the top and thirty-eighth from the bottom in a class. How many students are there in the class?