Find the next number in the sequence

5 12 24 36 ?

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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Can you Find and name the hidden bird in the picture below ?

What does this rebus picture identify?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?