Can you place six X (crosses) in below board without making three in a row in any way ?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

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

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

There are 3 apples in the basket and you take away 2. How many apples do you have now?