Why Aeroplane windows are round?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Find out the number of circles in the given picture having Illusion

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

What number divided by 4 is the same as that number minus 4?

Can you make a six-letter word using the letters N, A and B ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?