Verbal Reasoning - Mental Ability Questions

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Hardship

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

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

b_d_ed_b_c_e

Prabhu travelled from his house a distance of 20kms to his friend's house. After some time he left his friends house and took a turn towards right and travelled 15 kms to reach a park. After resting for a while, he again started and turned to right and travelled 18 kms to reach a petrol bunk. From there he again turned right and covered a distance of 15 kms. How many km more he has to travel to reach home?

In the following Venn diagram which letters represents all those who play Cricket as well as Kabaddi and also all the three games?

Which of the answer figure is exactly the water image of the given figure? 

In the series 5442673314884743581, the number that is sixth from the left of the seventh term from the right is

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

a _ c a a b _ a _ b c a a b _ a _ b _ a