If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

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?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

What seven-letter word has hundreds of letters in it?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?