Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

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

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

A bomb exploded in a room full of married couples and no one died. How?

What is full of holes but still holds water?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?