How do you go from 98 to 720 using just one letter?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Can you name some countries which do not have the alphabet 'A' in them?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What can go up a chimney down, but can’t go down a chimney up?

Bay of Bengal is in which state?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?