what's the probability of getting a king or a queen from a pack of 52 cards?

What has a ring but no finger?

Find the next number in the sequence

5 12 24 36 ?

what does the below math rebus puzzle mean?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Our product and our sum always give the same answer. Who are we?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

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?