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

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Can you count the number of triangles in the picture below?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I have branches, but no fruit, trunk or leaves. What am I?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?