What number comes next in the series?

5 15 5 18 5 24 14 20 _

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you fill the blank with the correct number?

6 30 870 756030 _____

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

Can you solve the maths in the below-given picture equation?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?