What is next number in the pattern below:

131 517 192 123 ?

81 x 9 = 801. What must you do to make the this equation true?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What kind of band never plays music?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

10+10 and 11+11 can give you the same answer.

Explain how?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?