Verbal Reasoning - Mental Ability Questions

Which of the following interchanges in signs and numbers will make the given equation correct?
8 x 6 + 4 = 52

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

1.5, 9/4, 3, ? , 4.5, 21/4

Suraj is shorter than Gopal but taller than Tarun. Rajan is the tallest and Shivam is shorter than Suraj but not the shortest. Who is the third shortest?

In the following question, select the related number from the given alternatives.
ACOUSTIC : 91 : : RENOUNCE : ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

45 x 5 + 2 - 20 = ?

'E' is related to 'BH' in the same way as 'N' is related to?

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

8,21,60,177,?

Karan travels 20 km towards the south, and then takes a left, and travels 35 km further. Again, he takes a left and travels 20 km further. How far is he from his original position?