Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

I’m tall when I’m young, and I’m short when I’m old. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

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 can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99