A number when divided by a divisor leaves a remainder of 12. When thrice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor?

What is the remainder when (120)188 is divided by 7?

What is the unit digit of the product of all even numbers between 1 and 11?

When a number is divided by 136, it leaves a remainder of 36. If the same number is divided by 17, what will be the remainder?