Verbal Reasoning - Mental Ability Questions

3x3x3+3+3/3 = ?

A man walked 9 km towards East and then 12 km towards South. How far is he from the starting point?

A man is engaged for planting trees for 10 hours. He plants 10 trees in an hour. He takes rest for 30 minutes after every hour. How many trees does he plant in 10 hours?

If 19 + 2 x 2 + 3 = 369 and 23 + 2 x 6 + 2 = 565, then 7 + 3 x 11 + 3 = ?

From the given words, select the word which cannot be formed using the letters of the given word.
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In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
24 x 6 - 8 + 2 = ?

If A denotes '+', B denotes '­', C denotes 'x' and D denotes '÷', then which of the following statement is true?

In a certain code language, "TEACHER" is written as "6427341" and "MAN" is written as "825". How is "MERCHANT" written in that code language ?