A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

In the four images below, can you find the odd one out?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

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?

Can you write down eight eights so that they add up to one thousand?

When we see 2 but call 10?