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

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Find the number of squares in the below-given picture.

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

In the image below, can you find the value of an angle(y)

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?