John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

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

Which five letter word can be added at the end of below word to form a
valid word?

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What is the below Rebus indicate?

What is at the end of a rainbow?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?