Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What English word has three consecutive double letters?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A man died and leaves Rs.10,000 in his will. There are 6 beneficiaries- his 3 sons and their wives. The 3 wives receive Rs.3960 of which Priyanka gets Rs.100 more than Tanu and Neha gets Rs.100 more than Priyanka.
Pramod gets twice as much as his wife, Tushar gets the same as his wife, and Prashant gets 50% more than his wife.

Who is married to whom?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What can go through glass without breaking it?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

What is the next number in this matchsticks series riddle?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?