Verbal Reasoning - Mental Ability Questions

Which of the following diagram represents the relationship among Tall men, Black haired, Indians?

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

2, 3, 7, 16, ?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Biological

If + means division, ­ means multiplication, '÷' means subtraction, x means addition, and < means less than, then which of the following is false?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
25 + 10 ÷ 240 x 16 = ?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
6, 18, 54, ? , 486, 1458

How many triangles are there in the given figure?

In a row, there are 8 girls between Aruna and Bimla and Aruna being the first girl in row. There are 5 girls between Bimla and Chetna. If there are 14 girls after Chetna, then how many minimum girls are there in the row?