Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

What makes this number unique: 8,549,176,320?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

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