How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Can you name an animal whose killing cannot be performed without spilling your own blood?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you name four days which start with the letter 'T'?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?