Can you convert the number zero(0) into a positive number using just one mathematical operator ?

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

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

What does this rebus riddle means ?

Count the number of triangles in the below picture?

Why is 6 afraid of 7?

How many times in a given day, minutes and hour clock comes in a straight line ?