Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Name a key which is hardest to turn.

What has many keys but can’t open a single lock?

Which alphabet letter is a question?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

In the four images below, can you find the odd one out?

You need to arrange three 7 and mathematical symbols to form number 1?

What is the Surname of Barbie Doll?

Five lovely ladies(Sophia, Isabella, Madison, Emma and Olivia) planned a picnic.

They each buy one thing each for the picnic.

Sophia, Emma and Olivia got a drink : orange-Juice, apple-juice, and mango-juice.
Olivia got the drink with the same letter as the one in her first name.
Emma loves mango-juice.
The other two bring some food : chocolates and pizza.
Also Madison is allergic to cheese.

So which ladies bought what ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?