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's a single-digit number with no value?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What does this mathematical rebus means ?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?