What work can one never finish?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

With the help clues provided in the image, can you find the 5 digit key?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Find the missing letter in the last circle logically in the given below picture.

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?