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

What is the next number in the series?

15 29 56 108 208 ?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

You need to arrange three 7 and mathematical symbols to form number 1?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Rihana, Peeta, and Logan order a pizza for $10. Out of the three, Rihana and Peeta were quite hungry and ate 6 slices a piece, while Logan had just 2 slices.

Now, they want to split the cost among them fairly but due to the lack of change, they decide to round off the cost to the nearest possible dollar.

Can you find out the fairway which should be used to split the money?

What if the pizza was worth $11?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?