Solve the alphametic puzzle by replacing the alphabet with the number.

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Which point will the car reach to go out?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

How many times can you subtract the number 5 from 25?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Can you spot the man between the coffee bean in the picture below ?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What is the Surname of Barbie Doll?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?