What is harder to catch the faster you run?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Which five letter word can be added at the end of below word to form a
valid word?

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If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

What brings you down but never up?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

Count the number of triangles in the given picture.

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Which tank will fill first?