What month of the year has 28 days?

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?

Whats the next number in the below number sequence pattern.

Name a key which is hardest to turn.

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

Find the smallest sentence with all the English alphabet.

I have branches, but no fruit, trunk or leaves. What am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?