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?
How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?