Can you count the number of lines in the below picture?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Which is the smallest number that you can write using all the vowels exactly once?

What occurs twice in a week, once in a year but never in a day?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Bay of Bengal is in which state?