Can you solve this picture maths equation?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Name a key which is hardest to turn.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What has a ring but no finger?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?