Can you place six X (crosses) in below board without making three in a row in any way ?

How many times do a clock's hands overlap in a day ?

What is the next number in this matchsticks series riddle?

What does this below rebus puzzle mean?

Make a sentence consisting of three words that have the whole alphabet.

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

How many words can a pen with half refill write?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?