What does an Island and the letter T have in common?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

What am I?

With the help clues provided in the image, can you find the 5 digit key?

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

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

Find the hidden panda in the image below.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?