Can you find a rabbit in the given picture?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Can you make a six-letter word using the letters N, A and B ?

Find the next number in the series.
1 10 24 43 67 ?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What is more useful when it is broken?