Can you find out which number multiplied by itself will give the output as 12345678987654321?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

What number divided by 4 is the same as that number minus 4?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

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?

How many triangles are there in the picture below?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?