Verbal Reasoning - Mental Ability Questions

In a certain code language, "BISLERI" is written as "IREBISL". How is "PANTHER" written in that code language?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

11, 121, 1331, 14641, ?

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.
rupees, arena, pursue, spare, separate, ?

In a certain code language, "DURING" is written as "GRUFQD". How is "PICKED" written in that code language?

Find the next number in the given series. 9, 11, 15, 17, 21, 23, ?

Each  of  the  following  questions has   four   statements.   Three   are   logically correct.  Some  of  which  may  look  factually absurd.  Ignore  this  absurdity  and  look  to  the logical   corrections.   Choose   the   statement which is wrong or doubtful:-

In the following question, select the missing number from the given series.146, 137, 128, ?, 110, 101

A brother and sister leave home for school. The brother goes 0.5 km East, then turns right and goes 3.5 km and reaches his school. The sister goes 2.5 km North, then 1 km West, then turns left and goes 6 km and reaches her school. Where is the brother's school with respect to the sister's school?