Verbal Reasoning - Mental Ability Questions

In a certain code language, "RAIN" is written as "OHBQ". How is "SUMMER" written in that code language?

If "–" means "added to", "+" means "divided by", "÷" means "multiplied by", "x" means "subtracted from", then 13 + 12 x 9 ÷ 3 – 6 = ?

In a certain code language, 'TRUMPET' is written as '7591427' and 'SORROW' is written as '385586'. How is 'EMPRESS' written in that code language?

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

H, K, N, ?, T, W, ?

Anjali's brother, Shyam, is the grandfather of Rajendra's son. How is Shyam related to Rajendra?

If A denotes /, B denotes x, C denotes + and D denotes -, then which of the following statements is true?

In the following question, select the missing number from the given series.
3, 4, 5, 4, 9, 10, 6, 16, 15, 9, 25, 20, 13, 36, ?

3x3x3+3+3/3 = ?