Which is heavier: a ton of bricks or a ton of feathers?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What is the next number in this series?

4,12,84,3612....

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

What does below pictogram mean?

Can you find out the remainder when 3^300 is divided by 5?