On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

What do you answer even though it never asks you questions?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

What goes up but never comes down?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

Why do we preferably have round manhole covers and not square ones?

The dirtier I get, the whiter I look. Who am I?