In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

My location can be determined by the below rebus.
So where am i ?

What is the fastest way to double your money?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

I add 5 to 9 and get 2. The answer is correct, so what am I?

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?