Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Why despite killing dozens of people Charley and Wilma were not punished?

How many triangles can you find in this given picture?

Prove that the below maths equation is true.

8 + 8 = 91

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?