Verbal Reasoning - Mental Ability Questions

In the following question, by using which mathematical operators will the expression become correct?
15 _ 3 _ 4 _ 20

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

42 x 7 ÷ 7 + 9 - 62 = ?

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

Leaf, Caterpillar, Frog, ?

In a certain code, 327 means 'don't cut tree', 635 means 'plant one tree', 138 means 'tree gives shade' and 4953 means 'we must plant tree'. Which digit represents 'shade'?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

EXORBITANT

Gurpreet is facing towards south. She turns right and walks 35m, then turns right again and walks 40m more. Finally, she turns left and walks 30m. Which direction is she facing now?

If 13*45 = 29 ,
24*58 = 41 ,
74*32 = 53 ,
what should 97*47 be?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Accuse
ii. Accord
iii. Acquisite
iv. Acquire