What is the next shape from answers A, B, C, and D figure?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Take one out and scratch my head, I am now black but once was red. What am I?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

John was piloting a plane behind a car but was never able to overtake it. Why?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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