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

How many sides does a circle have?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

Who is that with a neck and no head, two arms and no hands? What is it?

What 5-letter word typed in all capital letters can be read the same upside down?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho