Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

How many sides does a circle have?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

A man dies of old age on his 25 birthday. How is this possible?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Count the number of balls in picture below: