I am sure no one can have two things for dinner. what are they?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

what one word does the below rebus identifies?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Which is the smallest number that you can write using all the vowels exactly once?

How is the moon similar to a dollar?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?