Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you find the mistake in the below statement?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Can you find the 09 errors in the picture below?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

What number should come in place of the question mark below?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?