Remove two matchsticks to make the below equation correct.

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Look at the picture and find out which square is not linked with any of the other squares.

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.