If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

What's a single-digit number with no value?

When is the top of a mountain similar to a savings account?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Find the hidden panda in the image below.

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

Find the next number in the sequence

1, 2, 6, 21, 88, __?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

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?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?