Prove that the below maths equation is true.

8 + 8 = 91

If it took eight men ten hours to build a wall, how long would it take four men to build it?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

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

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

What word is represented by this rebus?

Can you find the company name in the pictogram below?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.