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?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

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?

What number divided by 4 is the same as that number minus 4?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?