Before Mount Everest was discovered, what was the highest mountain in the world?

Can you find the missing piece of the Porsche?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

What has one letter and starts with an E?

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