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

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Which five letter word can be added at the end of below word to form a
valid word?

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If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

What does the below rebus puzzle mean?

81 x 9 = 801. What must you do to make the this equation true?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3