Verbal Reasoning - Mental Ability Questions

If '+' means '÷', '÷' means '­', '­' means 'X' and 'X' means '+', then 48 + 16 x 4 ­2 ÷ 8 = ?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
l_n_o_m_lm_o

Select the related word/letters/number from the given alternatives.
30 : 16 :: 24 : ?

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?

In a certain code language "TITANIC" is written as "7371835" and "SEMATIC" is written as "6241735". How will "MAINTAIN" be written in that code language?

Sumitra remembers that her mother's birthday is after 13th February but before 16th February but her brother remembers that his mother's birthday is after 14th February but before 17 th February. On which date Sumitra's mother's birthday will be celebrated?

Kamal starts walking from his home facing west direction. After walking 10 km he takes a right turn and walks another 10 km. He takes another right turn and walks 10 km to reach his school. How far (in km) and in which direction is he from his home?

In a certain code language, “LUNGS” is written as “OWQIV”. How is “HEART” written in that code language?